Using COc1ccc2cc3ncc(C#N)c(Cl)c3cc2c1, Nc1ccc(Cl)cc1Cl to produce COc1ccc2cc3ncc(C#N)c(Nc4ccc(Cl)cc4Cl)c3cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.