You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(1-anilino-4-methyl-2-methylsulfanyl-5-oxoimidazol-4-yl)phenyl]methyl 4-chlorobenzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H22ClN3O3S
assistant