You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[acetyl(methyl)amino]-4-butan-2-ylphenyl]-2-(1H-pyrrolo[2,3-b]pyridin-4-ylmethylamino)pyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H30N6O2
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