You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-(4-methylphenyl)-5-(2-phenylethyl)-1,2,4-triazol-3-yl]sulfanyl]-N-propylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26N4OS
assistant