Using C[Sn](C)(C)Cl, CC(C)(C)c1nc(-c2ccc(F)cc2)co1 to produce CC(C)(C)c1nc(-c2ccc(F)cc2)c([Sn](C)(C)C)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.