Using CC(C)OB(OC(C)C)OC(C)C, CC(C)Cc1cc(Br)c2c(c1)OCO2 to produce CC(C)Cc1cc2c(c(B(O)O)c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.