You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-[[(2R,4R)-6-fluoro-2,5-dihydroxy-4-methyl-2-(trifluoromethyl)-3,4-dihydro-1H-naphthalen-1-yl]amino]-1H-quinolin-2-one ?
user
C21H18F4N2O3
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