Using COc1cccc([C@@H]2CCCN(C(=O)[C@H]3COc4ccccc4O3)C2)c1 to produce COc1cccc([C@@H]2CCCN(C[C@H]3COc4ccccc4O3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.