You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[3-[5-(1-cyclobutyl-3,6-dihydro-2H-pyridin-4-yl)-1H-imidazol-2-yl]-7-fluoro-2H-indazol-6-yl]-3-ethylphenol into its molecular formula.
user
C27H28FN5O
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