Using O=S(=O)(c1ccccc1)n1c(C(O)(CC2CCCC2)c2ccc(Br)cn2)cc2cccnc21, CS(=O)[O-] to produce CS(=O)(=O)c1ccc(C(O)(CC2CCCC2)c2cc3cccnc3n2S(=O)(=O)c2ccccc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.