Using NO, Cc1c(C=O)c2cc(Br)ccc2n1-c1ccc(O)cc1 to produce Cc1c(C=NO)c2cc(Br)ccc2n1-c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.