Using O=C([O-])[O-], CN(C)S(=O)(=O)Nc1ccc(C(=O)Nc2ccc(Cl)cc2)cc1 to produce CN(C)S(=O)(=O)N(C)c1ccc(C(=O)Nc2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.