Using BrCc1ccccc1, COc1ccc(CN2C(=O)NC3(Cc4ccc([N+](=O)[O-])cc4C3)C2=O)cc1 to produce COc1ccc(CN2C(=O)N(Cc3ccccc3)C3(Cc4ccc([N+](=O)[O-])cc4C3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.