Using CC(=O)OC(C)=O, OC(Cn1cncn1)(CC(Cl)(Cl)Cl)c1ccc(Cl)cc1 to produce CC(=O)OC(Cn1cncn1)(CC(Cl)(Cl)Cl)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.