Using COCOc1cccnc1C(O)c1cccc(Br)c1, O=C(OO)c1cccc(Cl)c1 to produce COCOc1ccc[n+]([O-])c1C(O)c1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.