Using O=C(NCCOCC#Cc1cn([C@H]2C[C@H](O)[C@@H](CO)O2)c(=O)[nH]c1=O)C(F)(F)F to produce O=C(NCCOCCCc1cn([C@H]2C[C@H](O)[C@@H](CO)O2)c(=O)[nH]c1=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.