Using COC(=O)Cl, CN1CCN(c2cc(-c3ccc4c(c3)CN(C(=O)CC3CCNC3)CC4)nc(N)n2)CC1 to produce COC(=O)N1CCC(CC(=O)N2CCc3ccc(-c4cc(N5CCN(C)CC5)nc(N)n4)cc3C2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.