Using COc1cc(C(F)(F)F)c2c(-c3ccccc3)cn(C)c2n1 to produce Cn1cc(-c2ccccc2)c2c(C(F)(F)F)cc(=O)[nH]c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.