You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3,5-dimethyl-1H-pyrazol-4-yl)-N-[1-(4-methyl-6-oxo-1,3-diazinan-2-yl)piperidin-4-yl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H30N6O2
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