You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-[(1S)-2-[(2S)-2-[4-(4-butylnaphthalen-1-yl)-1,3-thiazol-2-yl]pyrrolidin-1-yl]-1-cyclohexyl-2-oxoethyl]-2-(methylamino)propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H44N4O2S
assistant