You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl (1R,2R,5S,6S,7S)-2-(benzotriazol-1-ylmethylcarbamoyl)-3-(3-hydroxypropyl)-4-oxo-10-oxa-3-azatricyclo[5.2.1.01,5]decane-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C22H27N5O6
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