You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-(3,5-dimethylpyrazol-1-yl)azetidin-1-yl]-[5-(3-methoxyphenyl)-1H-pyrazol-4-yl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H21N5O2
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