Using CC1=C(c2ccc(CBr)cc2)S(=O)(=O)NC12CCCCC2, O=S1(=O)C=CC2(CCCCC2)N1 to produce CCNCC1=C(c2ccc(C)cc2)S(=O)(=O)NC12CCCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.