You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-(furan-2-ylmethyl)-5-(hydroxymethyl)imidazol-2-yl]sulfanyl-1-(4-methylpiperidin-1-yl)ethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H23N3O3S
assistant