Using O=c1ccc2cc(Br)ccc2[nH]1, CC(C)(C)OC(=O)NCCCCBr to produce CC(C)(C)OC(=O)NCCCCn1c(=O)ccc2cc(Br)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.