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 3-[4-(furan-2-ylmethyl)-5-[[(2S)-oxolan-2-yl]methylsulfanyl]-1,2,4-triazol-3-yl]-1H-indole .
user
C20H20N4O2S
assistant