error: syntax error, unexpected ';', expecting $end, at /nix/store/nhn4ma62m761nzw0ir80dpyjlk3dyg8d-os/base-configuration.nix:47:6

base-configuration.nix

{ config, pkgs, ... }:

 {
    imports = [
      /etc/nixos/hardware-configuration.nix
    ];
  
    boot = {
      loader = {
        grub = {
          enable = true; 
          version = 2;
        };
      };
    };
    
    networking = {
      firewall = {
        enable = true;
      };
    };
  
    users = {
      defaultUserShell = "/var/run/current-system/sw/bin/zsh";
      extraUsers = {
        plumps = {
          name = "plumps";
          group = "users";
          uid = 1000;
          createHome = true;
          home = "/home/plumps";
          shell = "/var/run/current-system/sw/bin/zsh";
          openssh = {
            authorizedKeys = {
              keys = [  
                       ''ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDLMGjiyXoATH1MfhWLrPoLw7B0CKp3HOSjTNB2eJASF4lHEVX66M3JToC43uvYqpf+w2KcAT+FrHuMzKZuNp2h1PN/pp2XKSOFrk1jdZ3RqBhKGACbiSePeV0ZEKAj7gHTPgulDS/8X/6sGU04b0EHFgmv1ukVAKisDMsNR4Fo0Mr/02PTNy37V+MKRr8PhR+3cwDCbyiMowbk3jOEKZ6FK9oRcCRgOviwviutKszNfGEMwNDW3VFbx/XWVO9F6ywCT7ntNiwokChgG6+4xMLAum6xVfNWAzp+nyDboMEknqKl2LtliDR0VRfPPfq4sI4tFLWtSzG+KJqibuX3y2S5 plumps@lobsang.ag.ausstellung''
              ];
            };
          };
        };
      };
    };
    
    time = {
      timeZone = "Europe/Berlin";
      };
    };
  
    system = {
      stateVersion = "16.03";
    };
  };