Using CB1OB(C)OB(C)O1, C[Si](C)(C)CCOCn1cc(I)c2cc(Br)cnc21 to produce Cc1cn(COCC[Si](C)(C)C)c2ncc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.