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)-4-methyl-2-[6-(2-methylimidazo[4,5-c]pyridin-1-yl)hexanoylamino]pentanoic acid is given. What is its corresponding molecular formula?
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C19H28N4O3
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