Using O=C1CCC(=O)N1Br, COc1nccc2c1c(-c1ccc(S(N)(=O)=O)cc1)nn2C1CCCC1 to produce COc1ncc(Br)c2c1c(-c1ccc(S(N)(=O)=O)cc1)nn2C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.