You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(6-fluoro-2,3,4,5-tetrahydro-1-benzoxepin-5-yl)-3-methyl-4,5,6,7-tetrahydro-2H-indazol-5-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H22FN3O
assistant