Using Cc1cc(Br)c(=O)[nH]c1C(=O)N(CCCO)Cc1ccccc1 to produce Cc1cc(Br)c(=O)n2c1C(=O)N(Cc1ccccc1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.