Using CCC(O)(CC)COc1ccc(C(CC)(CC)c2cc3ccc(C(=O)OC)cc3s2)cc1C to produce CCC(O)(CC)COc1ccc(C(CC)(CC)c2cc3ccc(C(=O)O)cc3s2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.