Using Clc1ccc2nc(Cl)sc2c1, O=C1NNC(c2ccccc2)C1c1ccccc1 to produce O=C1NN(c2nc3ccc(Cl)cc3s2)C(c2ccccc2)C1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.