Using C[Si](C)(C)C=[N+]=[N-], O=C(O)c1ccc(Cl)c(Br)c1 to produce [N-]=[N+]=CC(=O)c1ccc(Cl)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.