Using COC1(C(F)(F)F)CC(c2nc(-c3ccc(C)c(N)c3)no2)C1, O=C(O)c1cnc2ccccn12 to produce COC1(C(F)(F)F)CC(c2nc(-c3ccc(C)c(NC(=O)c4cnc5ccccn45)c3)no2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.