Using O=C(Cl)C(Cl)(Cl)Cl, Nc1ccc(Nc2ccccc2)cc1 to produce O=C(Nc1ccc(Nc2ccccc2)cc1)C(Cl)(Cl)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.