You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-benzyl-1-(1H-imidazol-5-ylmethyl)-4-(4-propylthiophen-2-yl)sulfonyl-3,5-dihydro-2H-1,4-benzodiazepine-7-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H29N5O2S2
assistant