Using COc1cccc(C2(N(C)C)CCC(C(=O)Cc3ccccc3)CC2)c1 to produce COc1cccc(C2(N(C)C)CCC(C(O)Cc3ccccc3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.