Using BrCCc1ccccc1, O=C(CN1CCCNS1(=O)=O)NC1C2CC3CC(C2)CC1C3 to produce O=C(CN1CCCN(CCc2ccccc2)S1(=O)=O)NC1C2CC3CC(C2)CC1C3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.