Using Cc1nc2n(c1C=O)-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2 to produce Clc1ccc2c(c1)C(c1ccccc1Cl)=NCc1nccn1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.