Using CCOC(=O)c1sc(C)nc1Oc1ccc(N)c(C(F)(F)F)c1 to produce CCOC(=O)c1sc(C)nc1Oc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.