You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-methyl-N-[2-(2-methylbenzimidazol-1-yl)ethyl]-2-(1-methylpyrazol-4-yl)morpholine-4-carboximidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H27N7O
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