You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[5-(3-hydroxy-3-phenylpropyl)-3-phenyl-1,6-naphthyridin-1-ium-2-yl]phenyl]methylazanium;dichloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H29Cl2N3O
assistant