Using Fc1c(OCc2ccccc2)ccc(-n2ccc3c(OCc4ccccc4)cccc32)c1F to produce Oc1ccc(-n2ccc3c(O)cccc32)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.