Using O=C(NOCc1ccccc1)[C@H]1CN(c2ccc(N3CCOCC3)c(F)c2)C(=O)O1 to produce O=C(NO)[C@H]1CN(c2ccc(N3CCOCC3)c(F)c2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.