Using O=C(Cl)c1ccc(Cl)cc1, CN1C(=N)C(C)(C)c2ccccc21 to produce CN1C(=NC(=O)c2ccc(Cl)cc2)C(C)(C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.