Using O=[N+]([O-])c1ccccc1-c1ccc(CBr)o1, Nc1cc[nH]c(=O)n1 to produce Nc1ccn(Cc2ccc(-c3ccccc3[N+](=O)[O-])o2)c(=O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.