Using COC(=O)[C@@H]1C[C@@H](Oc2cc(-n3cccn3)nc3cc(OC)ccc23)CN1C(=O)[C@@H](NC(=O)O)C(C)(C)C, CC(C)(C)N=C=O to produce COC(=O)[C@@H]1C[C@@H](Oc2cc(-n3cccn3)nc3cc(OC)ccc23)CN1C(=O)[C@@H](NC(=O)NC(C)(C)C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.