Using Cc1n[nH]c(CN)c1Oc1cc(Cl)cc(Cl)c1, O=Cc1ccc(F)cc1 to produce Cc1n[nH]c(CNCc2ccc(F)cc2)c1Oc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.