Using CC(C)(C)[O-], O=C1CN(C(=O)c2ccc(F)c(F)c2Nc2ccc(I)cc2F)C1 to produce C=C1CN(C(=O)c2ccc(F)c(F)c2Nc2ccc(I)cc2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.