You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[2-(2,4-dichlorophenyl)ethenyl]-4,4-dimethyl-2-propan-2-ylsulfanyl-1H-pyrimidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H20Cl2N2S
assistant