You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-5-cyano-2-methyl-N-(2-methylphenyl)-6-[2-(naphthalen-2-ylamino)-2-oxoethyl]sulfanyl-4-phenyl-1,4-dihydropyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H28N4O2S
assistant