You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[[4-chloro-6-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]pyrimidin-2-yl]sulfanylmethyl]phenyl]-[4-(4-nitrophenyl)piperazin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H35ClN6O5S
assistant