You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 7-chloro-2-(4-methylpyridin-2-yl)-1-(4-phenylmethoxyphenyl)-1H-chromeno[2,3-c]pyrrole-3,9-dione .
user
C30H21ClN2O4
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