Using CC(=O)OC(C)=O, O=C1Nc2ccc(C(F)(C(F)(F)F)C(F)(F)F)cc2CN1N=Cc1cccnc1 to produce CC(=O)N1C(=O)N(N=Cc2cccnc2)Cc2cc(C(F)(C(F)(F)F)C(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.