Using CCCCCCCCOc1ccc(-c2ncc(O)cc2F)cc1, CCCCCCCCO to produce CCCCCCCCOc1ccc(-c2ncc(OCCCCCCCC)cc2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.