You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-acetyl-5-(pentafluoro-lambda6-sulfanyl)phenyl]-2,2,2-trifluoroacetamide;1-[2-amino-4-(pentafluoro-lambda6-sulfanyl)phenyl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H15F13N2O3S2
assistant