Using COC(=O)c1sc(N2CCOCC2)c(C#N)c1CBr, OB(O)c1ccc2ccncc2c1 to produce COC(=O)c1sc(N2CCOCC2)c(C#N)c1Cc1ccc2ccncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.