Using CCOC(=O)C(Cc1cc(C(CC(C)C)NC(=O)OC(C)(C)C)no1)NC(C)=O to produce CCOC(=O)C(Cc1cc(C(N)CC(C)C)no1)NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.