You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5S)-5-[1-(3-methylbenzoyl)piperidin-4-yl]-5-pyridin-2-yl-3-(2-thiophen-2-ylethyl)imidazolidine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H28N4O3S
assistant