Using CI, Cc1ccc(S(=O)(=O)n2ccc3c(Br)c[nH]c(=O)c32)cc1 to produce Cc1ccc(S(=O)(=O)n2ccc3c(Br)cn(C)c(=O)c32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.