You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(3-chloro-2-methylphenyl)-2-[[5-(furan-2-yl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide .
user
C21H17ClN4O2S
assistant