Using COc1ccc(C(=O)COc2ccc(C(=O)O)c(O)c2)cc1C12CC3CC(CC(C3)C1)C2 to produce COc1ccc(C(O)COc2ccc(C(=O)O)c(O)c2)cc1C12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.