Using CC(=O)Nc1cccc(C2CCN(CCCn3c(-c4ccc(Cl)cc4)nc4ccccc43)CC2)c1 to produce Nc1cccc(C2CCN(CCCn3c(-c4ccc(Cl)cc4)nc4ccccc43)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.