Using CC(=O)OC(C)=O, O=C1c2ccccc2C(=O)c2c(NC3CCCCC3)ccc(Br)c21 to produce CC(=O)N(c1ccc(Br)c2c1C(=O)c1ccccc1C2=O)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.