You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[[(2R)-7-chloro-4-ethyl-2,5-dihydroxy-6-methyl-2-(trifluoromethyl)-3,4-dihydro-1H-naphthalen-1-yl]amino]-7-fluoro-1H-quinolin-2-one by IUPAC nomenclature, provide its molecular formula.
user
C23H21ClF4N2O3
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