You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(NE)-N-[(5aS)-8-(2-chlorophenyl)-3-(2-cyclohexa-1,3-dien-1-yloxyethylamino)-1,5a,7,8,9,9a-hexahydro-1,4-benzodiazepin-6-ylidene]hydroxylamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27ClN4O2
assistant