You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(4-amino-5-methylpyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-methoxy-N-(3-phenylcyclopentyl)pyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26N6O2
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