Using CCOC(=O)CBr, CCOC(=O)Cc1c(C(C)C)[nH]c2cccc([N+](=O)[O-])c12 to produce CCOC(=O)Cc1c(C(C)C)n(CC(=O)OCC)c2cccc([N+](=O)[O-])c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.