Using COC(=O)c1ccccc1N, N=C(N)NC[C@H]1CC[C@H](C(=O)O)CC1 to produce COC(=O)c1ccccc1NC(=O)[C@H]1CC[C@H](CNC(=N)N)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.