Using CC12CCC(C1)C1(C)Oc3ccc(C(=O)COc4ccc(C(=O)OCc5ccccc5)cc4)cc3C21C to produce CC12CCC(C1)C1(C)Oc3ccc(C(=O)COc4ccc(C(=O)O)cc4)cc3C21C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.