You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-butyl-5-[1-[1-(2,4-dimethylphenyl)tetrazol-5-yl]sulfanylethyl]-1,2,4-oxadiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H22N6OS
assistant