Using O=C1NC(=O)c2ccccc21, O=C(CBr)Cc1ccc([N+](=O)[O-])cc1 to produce O=C(Cc1ccc([N+](=O)[O-])cc1)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.