You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[(1R)-1-[5-[3-chloro-6-fluoro-6-(2-methyltetrazol-5-yl)cyclohexa-2,4-dien-1-yl]-3-fluoropyridin-2-yl]ethyl]-3-[(2,2,2-trifluoroacetyl)amino]oxetane-3-carboxamide into molecular formula.
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C21H19ClF5N7O3
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