Using CCOC(C)=O, Cc1cccc(CO[C@H]2CCC[C@@H](OCc3coc(-c4ccc(F)cc4)n3)C2)c1C(=O)O to produce COc1ccc(-c2nc(CO[C@@H]3CCC[C@H](OCc4cccc(C)c4C(=O)O)C3)co2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.