Using O=C1CCC(=O)N1Cl, CC(C)(C)OC(=O)N1CCC[C@@H]1c1nncn1Cc1ccc(Cl)cc1 to produce CC(C)(C)OC(=O)N1CCC[C@@H]1c1nnc(Cl)n1Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.