Using CCOC(O)C(F)(F)F, CC(C)Oc1cc(C(F)(F)F)c2cc3c(cc2n1)SCCN3 to produce CC(C)Oc1cc(C(F)(F)F)c2cc3c(cc2n1)SCCN3CC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.