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