You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[1-(2,3-dimethylphenyl)tetrazol-5-yl]sulfanyl-N-[2-(trifluoromethyl)phenyl]acetamide into its molecular formula.
user
C18H16F3N5OS
assistant