Dataweave escape double quotes.

gistfile1.txt

<dw:transform-message doc:name="CSV to Object">
				<dw:input-payload mimeType="application/csv">
					<dw:reader-property name="separator" value="," />
					<dw:reader-property name="header" value="true" />
					<dw:reader-property name="quote" value="&quot;" />
					<dw:reader-property name="escape" value="&quot;&quot;" />
				</dw:input-payload>
				<dw:set-payload><![CDATA[%dw 1.0
%output application/java
---
payload map $]]></dw:set-payload>
			</dw:transform-message>