Using Cc1cn(-c2ccc(Cl)cc2C(=O)c2ccccc2Cl)c(CN2C(=O)c3ccccc3C2=O)n1 to produce Cc1cn2c(n1)CN=C(c1ccccc1Cl)c1cc(Cl)ccc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.