Using O=[N+]([O-])O, COC(=O)Cc1cnc(-c2ccccc2)n1Cc1ccccc1 to produce COC(=O)Cc1cnc(-c2ccccc2)n1Cc1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.