You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-(2,6-dichloroanilino)-2-oxoethyl] 2-methyl-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridin-2-ium-10-carboxylate .
user
C22H20Cl2N3O3+
assistant