You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (12S)-12-[(1R)-2-[(3-ethylphenyl)methylamino]-1-hydroxyethyl]-16-fluoro-8-methyl-2-oxa-8,11-diazabicyclo[12.3.1]octadeca-1(17),14(18),15-triene-7,10-dione into its molecular formula.
user
C27H36FN3O4
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