You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[(3-cyclobutyl-1,2,4,5-tetrahydro-3-benzazepin-7-yl)oxy]-N,N-dimethylprop-1-en-2-amine .
user
C19H28N2O
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