You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-phenylethyl 3,6,7,8,9,10-hexahydro-2H-[1,4]oxazino[2,3-h][3]benzazepine-4-carboxylate using the IUPAC nomenclature.
user
C21H24N2O3
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