Using CCCC(C(=O)OC)C(c1ccccc1)c1ccc2c(cnn2-c2ccc(F)cc2)c1 to produce CCCC(C(=O)O)C(c1ccccc1)c1ccc2c(cnn2-c2ccc(F)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.