Using COc1cn[nH]c1, [O-][n+]1nc(Cl)nc2ccc(Cl)cc21 to produce COc1cnn(-c2nc3ccc(Cl)cc3[n+]([O-])n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.