Using CCCCCCC(Br)C(=O)OCC, O=[N+]([O-])c1cccc2nc[nH]c12 to produce CCCCCCC(C(=O)OCC)n1cnc2c([N+](=O)[O-])cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.