Using COCC(COC)Oc1cc(Oc2ccc(S(C)(=O)=O)nc2)cc2cc(C(=O)OC)[nH]c12 to produce COCC(COC)Oc1cc(Oc2ccc(S(C)(=O)=O)nc2)cc2cc(C(=O)O)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.