Using O=C(O)C(F)F, Nc1ccc(-c2nc(N3CCOCC3)nc(N3CCOCC3)n2)cc1 to produce O=C(Nc1ccc(-c2nc(N3CCOCC3)nc(N3CCOCC3)n2)cc1)C(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.