Using CC(C)(C)OC(=O)N[C@@H](Cc1ccncc1)C(=O)O, CCN(C(C)C)C(C)C to produce CC(C)(C)OC(=O)N[C@H](Cc1ccncc1)C(=O)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.