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 1-(2,4-dichlorophenyl)-2-[[4-(furan-2-ylmethyl)-5-pyridin-3-yl-1,2,4-triazol-3-yl]sulfanyl]ethanone .
user
C20H14Cl2N4O2S
assistant