Using O=C(Cl)c1ccccc1, NC(N)=NCCC[C@H](N)C(=O)C[C@@H](Cc1ccccc1)C(=O)O to produce N=C(N)NCCCC(NC(=O)c1ccccc1)C(=O)CC(Cc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.