Using C[Si](C)(C)CCOCn1cc(Br)c2c([N+](=O)[O-])ccnc21, CB1OB(C)OB(C)O1 to produce Cc1cn(COCC[Si](C)(C)C)c2nccc([N+](=O)[O-])c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.