Using CCN(CC)S(F)(F)F, COC(=O)N1c2ccc(-c3csc(C4(O)CN(C(=O)OC(C)(C)C)C4)n3)c(OC3CCC3)c2CC[C@@H]1C to produce COC(=O)N1c2ccc(-c3csc(C4(F)CN(C(=O)OC(C)(C)C)C4)n3)c(OC3CCC3)c2CC[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.