Using CC(C)(O)C[C@@H]1CO[C@](C)([C@H]2CC[C@H]3[C@@H](O)CCC[C@@]32C)C1 to produce CC(C)(O)C[C@@H]1CO[C@](C)([C@H]2CC[C@H]3C(=O)CCC[C@@]32C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.