Using O=C(NCCc1ccc(Br)cc1)c1cc2ccccc2cc1O, OB(O)c1ccccc1 to produce O=C(NCCc1ccc(-c2ccccc2)cc1)c1cc2ccccc2cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.