Using O=c1c2cc([N+](=O)[O-])ccc2sc2c(Br)cccc12 to produce O=[N+]([O-])c1ccc2c(c1)Cc1cccc(Br)c1S2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.