You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-amino-3-cyano-4-(4-methylphenyl)-4H-chromen-7-yl] 3,5-dichloro-4-ethoxybenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H20Cl2N2O4
assistant