Using Nc1ccc(Cl)cc1Cl, COCCOc1ccc2c(Cl)c(C#N)cnc2c1 to produce COCCOc1ccc2c(Nc3ccc(Cl)cc3Cl)c(C#N)cnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.