You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[4-[1-(2-methoxyethyl)-3,5-dimethylpyrazol-4-yl]phenyl]methyl]-N',N'-dimethylethane-1,2-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H30N4O
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