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 (2S)-2-[(1S)-2-[2-(6-aminopyridin-3-yl)phenyl]-1-(2H-tetrazol-5-yl)ethyl]pentanoic acid is given. What is its corresponding molecular formula?
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C19H22N6O2
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