You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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5-[7-[(4-methoxyphenyl)methylamino]-1-methyl-3-propylpyrazolo[4,3-d]pyrimidin-5-yl]pentanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C22H29N5O3
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