Using COc1cc2c(cc1C)-c1noc(-c3noc(-c4ccccc4)c3C(F)(F)F)c1CC2 to produce Cc1cc2c(cc1O)CCc1c-2noc1-c1noc(-c2ccccc2)c1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.