Using BrCc1ccccc1, O=C1NCc2cccnc2N1c1cccc([N+](=O)[O-])c1 to produce O=C1N(Cc2ccccc2)Cc2cccnc2N1c1cccc([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.