Using CC(C)(C)[Si](C)(C)O[C@H]1CN=C(c2cccc(F)c2)C1 to produce CC(C)(C)[Si](C)(C)O[C@H]1CN[C@@H](c2cccc(F)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.