Using COC(=O)COc1ccc(C(=O)OCc2ccccc2)cc1C12CC3CC(CC(C3)C1)C2 to produce COC(=O)COc1ccc(C(=O)O)cc1C12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.