Using Cc1ncn(-c2ccc(Nc3n[nH]c(C(CCCCCl)c4ccc(F)cc4)n3)cc2F)n1 to produce Cc1ncn(-c2ccc(Nc3nc4n(n3)CCCCC4c3ccc(F)cc3)cc2F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.