You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[5-(1-benzofuran-2-yl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-1-[(3R,5S)-3,5-dimethylpiperidin-1-yl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H24N4O2S
assistant