Using O=[N+]([O-])c1ccc(CCBr)cc1, NCCc1ccc([N+](=O)[O-])cc1 to produce O=[N+]([O-])c1ccc(CCNCCc2ccc([N+](=O)[O-])cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.