You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(12S)-8-(4-fluorophenyl)-12-methoxy-7-methyl-10-thia-1,3-diazatricyclo[7.4.1.05,14]tetradeca-5(14),6,8-triene-2,4-dione;sulfane is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H19FN2O3S2
assistant