You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(1H-indol-5-yl)-N-(4-methylpentan-2-yl)-2-(2-oxochromen-7-yl)oxyacetamide is given. What is its corresponding molecular formula?
user
C25H26N2O4
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