Using CC(C)(C)OC(=O)n1c(B(O)O)cc2cc(C#N)ccc21, Brc1cccnc1 to produce CC(C)(C)OC(=O)n1c(-c2cccnc2)cc2cc(C#N)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.