Using COc1nc2c(C)cc(C(=O)c3cncn3C)cc2c(Cl)c1Cc1cccc(C(F)(F)F)c1 to produce COc1nc2c(C)cc(C(O)c3cncn3C)cc2c(Cl)c1Cc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.