Using CCCCCCCCCCc1cnc(-c2ccc(OCC3(O)CCCCC3)cc2)nc1, CCCC[C@H](F)C(=O)O to produce CCCCCCCCCCc1cnc(-c2ccc(OC[C@H]3CC[C@H](OC(=O)[C@@H](F)CCCC)CC3)cc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.