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-methyl-3,5-dihydro-2H-1,4-benzoxazepin-4-yl)-[2-(tetrazol-1-yl)phenyl]methanone .
user
C18H17N5O2
assistant