Using FC(F)(F)c1cccc(-c2cccc3[nH]ccc23)c1, CC(=O)O to produce O=C1Cc2c(cccc2-c2cccc(C(F)(F)F)c2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.