Using COC(=O)COc1nc(F)c(Cl)c(Oc2ccc(OC)c(C(C)C)c2)c1Cl to produce CC(C)c1cc(Oc2c(Cl)c(F)nc(OCC(=O)O)c2Cl)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.