Using O=C1NCCO1, Cn1cnc2c(C#N)nc(-c3ccc(OCCOS(C)(=O)=O)c(C(F)(F)F)c3)cc21 to produce Cn1cnc2c(C#N)nc(-c3ccc(OCCN4CCOC4=O)c(C(F)(F)F)c3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.