Using CCC(C)(C)C(=O)Oc1cccc2ccc(OCCOc3ccc(C(=O)C(=O)OC)cc3)cc12 to produce CCC(C)(C)C(=O)Oc1cccc2ccc(OCCOc3ccc(C(=O)C(=O)O)cc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.