Using O=Cc1ccc2c(=O)[nH]c(-c3ccc(C(F)(F)F)cc3)cn12 to produce O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)cn2c(CO)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.