Using CC(n1cncn1)C(O)(c1ccc(Cl)cc1)c1ccc(Cl)cc1 to produce CC(=C(c1ccc(Cl)cc1)c1ccc(Cl)cc1)n1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.