You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[(3R,4S)-3-amino-4-(4-methoxyphenyl)pyrrolidin-1-yl]-2-[4-(tetrazol-1-yl)phenyl]ethanone is given. What is its corresponding molecular formula?
user
C20H22N6O2
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