You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-amino-4-[4-[(4-chlorophenyl)methoxy]phenyl]-3-cyano-4H-chromen-7-yl] 2-phenoxyacetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H23ClN2O5
assistant