You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-methylpropylcarbamoyl)-2-(5-piperidin-1-ylsulfonylpyridin-2-yl)sulfanylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H26N4O4S2
assistant