Using COc1cc(Br)ccc1NC(=O)CCc1ccccc1, CC(C)OB(OC(C)C)OC(C)C to produce COc1cc(B(O)O)ccc1NC(=O)CCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.