Using O=C(O)c1ccc(Br)cc1Cl, CN(C)C(On1nnc2cccnc21)=[N+](C)C to produce CON(C)C(=O)c1ccc(Br)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.