Using CC(C)(O)c1ccc2nc(C(=O)Nc3ccc(F)cc3)cn2c1 to produce C=C(C)c1ccc2nc(C(=O)Nc3ccc(F)cc3)cn2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.