Using CC(C)(C)OC(=O)n1cnc2c1C(=O)CCC2, CC(C)(C)OC(=O)NCCCCN to produce CC(C)(C)OC(=O)NCCCCNC1CCCc2ncn(C(=O)OC(C)(C)C)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.