Using CB(O)O, O=C1CN(c2c(F)cc(Br)cc2OCc2ccccc2)S(=O)(=O)N1 to produce Cc1cc(F)c(N2CC(=O)NS2(=O)=O)c(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.