Using FC1(F)CCNC1, O=c1c(-n2ccnc2)c[nH]n1-c1cc(Cl)ncn1 to produce O=c1c(-n2ccnc2)c[nH]n1-c1cc(N2CCC(F)(F)C2)ncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.