Using COC(=O)c1ccc2c(c1)N(S(=O)(=O)c1cc(Cl)ccc1OC)CCO2 to produce COc1ccc(Cl)cc1S(=O)(=O)N1CCOc2ccc(C(=O)O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.