Using NCCN1CCc2ccccc2C1, CCOC(=O)c1cccc([N+](=O)[O-])c1CBr to produce O=C1c2cccc([N+](=O)[O-])c2CN1CCN1CCc2ccccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.