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