You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 9H-fluoren-9-ylmethyl (1R,8R,9S)-8-phenylmethoxy-11-oxa-12-azatricyclo[7.2.1.02,7]dodeca-2,4,6-triene-12-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C32H27NO4
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