You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl N-[(2R)-1-[[5-(3,5-dimethylphenyl)-1H-pyrazol-3-yl]amino]-4-methyl-1-oxopentan-2-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26N4O3
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