Using CC(C)(C)OC(=O)NS(C)(=O)=O, Cn1c(C(F)(F)F)cc(=O)n(-c2ccc3snc(CBr)c3c2)c1=O to produce Cn1c(C(F)(F)F)cc(=O)n(-c2ccc3snc(CN(C(=O)OC(C)(C)C)S(C)(=O)=O)c3c2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.