You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [5-(3-methoxyphenyl)-1H-pyrazol-4-yl]-[(2S)-2-(3-methyl-1,2,4-oxadiazol-5-yl)piperidin-1-yl]methanone ?
user
C19H21N5O3
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