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 1-(4-methyl-1-oxa-9-azaspiro[5.5]undec-4-en-9-yl)-3-(1,3,5-trimethylpyrazol-4-yl)propan-1-one ?
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C19H29N3O2
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