Using C[Mg]Cl, CC(=O)c1ccc(Nc2sc(-c3c(F)cc(C(C)(C)O)cc3F)cc2C(N)=O)cc1 to produce CC(C)(O)c1ccc(Nc2sc(-c3c(F)cc(C(C)(C)O)cc3F)cc2C(N)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.