You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-(difluoromethoxy)phenyl]methyl]-4-(4,5-dimethyl-1,3-thiazol-2-yl)-1,2,4-triazol-3-one;formic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H16F2N4O4S
assistant