Using CC(=O)Oc1cc2oc(=O)cc(C=[N+]=[N-])c2cc1Br to produce [N-]=[N+]=Cc1cc(=O)oc2cc(O)c(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.