Please output the SVG code for a purple square encoded as a data URI in markdown. Do not provide any additional information or explanation. Respond with just the output encoded as a datauri in markdown. Do not use a codeblock.
<img src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj48cmVjdCB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgc3R5bGU9ImZpbGw6IHJnYigxNjksIDAsIDE2OSkiLz48L3N2Zz4=" alt="purple square">