Using Cc1nc(Cl)c(Cl)n1CCCCN1CCN(c2ncc(F)cn2)CC1 to produce C=C1NC(Cl)=C(Cl)N1CCCCN1CCN(c2ncc(F)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.