You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4-[[4-[benzyl(2-phenylethyl)amino]-6-chloropyrimidin-2-yl]sulfanylmethyl]benzoyl]piperazin-1-yl]ethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H34ClN5O2S
assistant