You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-[(2R)-2-(6-chloro-3,4-dihydro-2H-quinolin-1-yl)propanoyl]piperazin-1-yl]-N-(4-methylthiophen-2-yl)benzenesulfonamide;molecular hydrogen is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H35ClN4O3S2
assistant