Using CCOC(=O)c1sc(Br)c(C#N)c1Br, CC1(C)OB(C2=CCOCC2)OC1(C)C to produce CCOC(=O)c1sc(C2=CCOCC2)c(C#N)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.