Using FC(F)(F)c1c(-c2nc(-c3ccc(C4OCCO4)cc3)no2)cnn1-c1ccccn1 to produce O=Cc1ccc(-c2noc(-c3cnn(-c4ccccn4)c3C(F)(F)F)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.