Using CCOC(=O)c1ccc(OC(F)F)c2oc3c(=O)n(CC)ncc3c12 to produce CCn1ncc2c(oc3c(OC(F)F)ccc(C(=O)O)c32)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.