Using CCOC(=O)C1=C(c2cc(OCc3ccccc3)nc(C)c2C)CCN(C(=O)OC(C)(C)C)C1 to produce CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@@H]1c1cc(OCc2ccccc2)nc(C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.