Using CC[C@@H](NC(=O)OC(C)(C)C)C(=O)Nc1ccc(Oc2ccc3c(c2)C(C)(C)OC3)nc1 to produce CC[C@@H](N)C(=O)Nc1ccc(Oc2ccc3c(c2)C(C)(C)OC3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.