You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1-methylindol-4-yl)-[2-(6-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]pyrimidin-2-yl)piperidin-1-yl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H30N6O
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