You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-[(2R,3R,6S)-6-[2-(cyclobutylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]cyclobutanecarboxamide ?
user
C17H26N2O4
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