Using NC(=O)c1cccc(N2CC(c3cccc(OCc4ccccc4)c3)CC2=O)c1 to produce NC(=O)c1cccc(N2CC(c3cccc(O)c3)CC2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.