You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 7-[3-(6,6-difluoro-5,7,7-trimethyl-3-sulfanylidene-1,4-oxazepan-5-yl)-4-fluoroanilino]-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C23H23F3N4OS
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