You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(azocan-1-yl)-2-[(5-cyclopropyl-1-phenyl-1,2,4-triazol-3-yl)sulfanyl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H26N4OS
assistant