Using CS(N)(=O)=O, O=C(O)C1COc2cc(OCc3ccc(Cl)cc3Cl)ccc21 to produce CS(=O)(=O)NC(=O)C1COc2cc(OCc3ccc(Cl)cc3Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.