You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(3S)-3-[(1S,2R)-2-hydroxycyclopentyl]morpholin-4-yl]-2-(1,3,5-trimethylpyrazol-4-yl)oxyethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H27N3O4
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