Using CCCCCCc1ccc(C2N=CC(c3ccc(O)c(F)c3)(c3ccc(O)c(F)c3)S2)cc1, CCCCCCI to produce CCCCCCOc1ccc(-c2cnc(-c3ccc(CCCCCC)cc3)s2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.