Using COc1ccc2c3c(ccc2c1)[C@@H]1CC[C@H](O)[C@@]1(C)CC3 to produce COc1ccc2c3c(ccc2c1)C1CCC(=O)C1(C)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.