You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(1,3-benzodioxol-5-yloxymethyl)phenyl]-2-(3,7-dimethyl-2,6-dioxopurin-1-yl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
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C23H21N5O6
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