You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-hydroxy-2-[[5-(2-methylfuran-3-yl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanylmethyl]pyran-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H15N3O4S
assistant