You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5-hydroxy-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-6-yl)methanediol;hydrobromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18BrNO3
assistant