You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-chlorophenyl)methylsulfanyl]-3-(2-fluorophenyl)-6,7,8-trimethoxyquinazolin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H20ClFN2O4S
assistant