Using COc1ccc([C@H]2CCC[C@H]3CN(C(=O)c4ccc(C(F)(F)F)nc4)CCN32)c(C)c1C to produce Cc1c(O)ccc([C@H]2CCC[C@H]3CN(C(=O)c4ccc(C(F)(F)F)nc4)CCN32)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.