You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-cyclopropyl-5-(1H-indol-3-yl)-1,2,4-triazol-3-yl]sulfanyl]-1-(4-methoxyphenyl)ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20N4O2S
assistant