Using C[C@@H](NC(=O)OC(C)(C)C)C(=O)O, C(=NC1CCCCC1)=NC1CCCCC1 to produce C[C@@H](NC(=O)OC(C)(C)C)C(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.