You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1-azabicyclo[2.2.2]octan-3-yl)-6-chloro-2-methyl-3-oxo-4-(2-phenylethyl)-1,4-benzoxazine-8-carboxamide;hydrate;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H31Cl2N3O4
assistant