Using C[Si](C)(C)CCOCn1cnc(C=O)c1, Brc1cccnc1 to produce C[Si](C)(C)CCOCn1cnc(C(O)c2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.