Using CO[C@H]1O[C@@H](C)[C@@H]2[C@H](O)[C@H]3CCCC[C@@H]3C[C@H]12 to produce CO[C@H]1O[C@@H](C)[C@@H]2C(=O)[C@H]3CCCC[C@@H]3C[C@H]12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.