You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-methylsulfanyl-3-(piperidine-1-carbonyl)phenyl]sulfonylamino]-N-(pyridin-3-ylmethyl)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H28N4O4S2
assistant