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 3-(3,5-dimethyl-1H-pyrazol-4-yl)-1-[(5S,9S)-9-hydroxy-1-oxa-7-azaspiro[4.4]nonan-7-yl]propan-1-one ?
user
C15H23N3O3
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