Using C#CCN1C(=O)COc2cc(F)c(NC(C)=O)cc21, O=P(Cl)(Cl)Cl to produce C#CCN1C(=O)COc2cc(F)c(N=C(C)Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.