Using O=C=Nc1cc(Cl)cc(Cl)c1, O=C(O)[C@@H]1C[C@@H](O)CN1 to produce O=C(O)[C@@H]1C[C@@H](O)CN1C(=O)Nc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.