You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [5-[(2-acetamido-7-methoxy-5H-chromeno[3,4-c]pyridin-8-yl)oxy]-4-methylpentan-2-yl]carbamic acid by IUPAC nomenclature, provide its molecular formula.
user
C22H27N3O6
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