You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-chlorophenyl)-2-[[5-(phenoxymethyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H15ClN4O2S
assistant