You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2-chloro-6-fluorophenyl)methyl]-2-[[5-(cyclohexylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]-N-methylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H22ClFN4OS2
assistant