Using CCCOC(=O)N[C@@H](C(=O)N1CCC[C@H]1C(=O)NC[C@H]1CC[C@H](NC(=O)OC(C)(C)C)CC1)C(C)(C)SC(C)C to produce CCCOC(=O)N[C@@H](C(=O)N1CCC[C@H]1C(=O)NC[C@H]1CC[C@H](N)CC1)C(C)(C)SC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.