Using Cc1c(Cl)cccc1Cn1c(C(C)Br)nc(=O)c2sc(N3CCOCC3)nc21, [N-]=[N+]=[N-] to produce Cc1c(Cl)cccc1Cn1c(C(C)N=[N+]=[N-])nc(=O)c2sc(N3CCOCC3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.