Using COC(=O)CCCCCCCn1c(=O)[nH]c2ccccc21, COC(=O)CCCCCCCBr to produce COC(=O)CCCCCCCn1c(=O)n(Cc2ccccc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.