Using CCOC(=O)c1cnn2ccc(N3CCC[C@@H]3c3cc(F)ccc3F)nc12 to produce O=C(O)c1cnn2ccc(N3CCC[C@@H]3c3cc(F)ccc3F)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.