Using COc1cc(C=C2C(=O)Nc3ccccc32)cc(Br)c1OC, OB(O)c1ccc2ccccc2c1 to produce COc1cc(C=C2C(=O)Nc3ccccc32)c(-c2ccc3ccccc3c2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.