You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[(1R,2S,3R)-2,3-dimethylcyclohexyl]-2-[(4-ethyl-5-thiophen-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide ?
user
C18H26N4OS2
assistant