Using O=C1CCC(=O)N1Cl, CC(C)(C)OC(=O)N1CCC(C2CCN(c3cnccn3)CC2)CC1 to produce CC(C)(C)OC(=O)N1CCC(C2CCN(c3cnc(Cl)cn3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.