Using COc1ccc2c(c1)[nH]c(=O)n2CCN1CCN(c2cccc(C(F)(F)F)c2)CC1 to produce O=c1[nH]c2cc(O)ccc2n1CCN1CCN(c2cccc(C(F)(F)F)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.