Using CC1(C)CC1C(=O)N/C(=C\CCCCCBr)C(=O)O, CNCC(=O)O to produce CN(CCCCC/C=C(\NC(=O)C1CC1(C)C)C(=O)O)CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.