Using CC(C)Cn1c(CNC(=O)OC(C)(C)C)c(-c2ccccc2)c2cc(Br)ccc2c1=O, C[S-] to produce CSc1ccc2c(=O)n(CC(C)C)c(CNC(=O)OC(C)(C)C)c(-c3ccccc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.