You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5R)-N-[2-(3-ethyl-1,2,4-triazol-4-yl)ethyl]-8-methyl-2,3,4,5-tetrahydro-1-benzoxepin-5-amine by IUPAC nomenclature, provide its molecular formula.
user
C17H24N4O
assistant