Using CS(=O)(=O)c1ccc(C(=O)C(CC=O)c2ccc(Cl)cc2)cc1, NN to produce CS(=O)(=O)c1ccc(-c2nnccc2-c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.