You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-N-[3-[(2R)-2-methylpiperidin-1-yl]propyl]-3-(1-phenyl-3-pyridin-3-ylpyrazol-4-yl)prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H31N5O
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