Using OC1CCC(c2ccccc2)C1, COC(=O)c1c[nH]c(=O)c(Br)c1 to produce COC(=O)c1cc(Br)c(=O)n(C2CCC(c3ccccc3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.