You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[(Z)-[2-(2-chloro-4-nitrophenyl)-5-oxo-1,3-oxazol-4-ylidene]methyl]-2-methoxyphenyl] 3-methylbenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H17ClN2O7
assistant