Using COc1ccc(S(=O)(=O)Cl)cc1, O=C(O)CNCC(=O)O to produce COc1ccc(S(=O)(=O)N(CC(=O)O)CC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.