Using Clc1ccc2c(n1)C(c1ccccc1Cl)=NCc1nncn1-2 to produce Clc1ccc2c(n1)C(c1ccccc1Cl)NCc1nncn1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.