Using O=[N+]([O-])c1ccc(-c2ccc(CCl)o2)cc1, CCOC(=O)C(NC(C)=O)C(=O)OCC to produce CCOC(=O)C(Cc1ccc(-c2ccc([N+](=O)[O-])cc2)o1)(NC(C)=O)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.