You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by N-(3-chloro-4-methoxyphenyl)-2-[3-(3-methoxyphenyl)-4-oxospiro[6H-benzo[h]quinazoline-5,1'-cyclohexane]-2-yl]sulfanylacetamide ?
user
C33H32ClN3O4S
assistant