You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,5S,6S)-5-(5-bromo-2-fluorophenyl)-7,7-difluoro-1-(methoxymethyl)-N-[(4-methoxyphenyl)methyl]-5-methyl-2-thia-4-azabicyclo[4.1.0]heptan-3-imine by IUPAC nomenclature, provide its molecular formula.
user
C22H22BrF3N2O2S
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