Using COS(=O)(=O)OC, Cc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2[nH]1 to produce Cc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.