You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[(2R,4S)-4-(4-methylphenyl)-2-propan-2-yloxan-4-yl]ethyl]-N-[(1S)-1-thiophen-2-ylethyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H35NO2S
assistant