Using COC(=O)c1c(OC)c(=O)c(C(=O)NCc2ccc(F)cc2F)cn1CC(OC)OC to produce COC(=O)c1c(OC)c(=O)c(C(=O)NCc2ccc(F)cc2F)cn1CC(O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.