Using COC(=O)C(C)(C)NC(=O)Nc1ccc(F)c(-c2cccs2)c1 to produce CC1(C)NC(=O)N(c2ccc(F)c(-c3cccs3)c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.