Using OB(O)c1ccncc1, CN(Cc1cc2ccccc2n1C)C(=O)c1ccccc1Br to produce CN(Cc1cc2ccccc2n1C)C(=O)c1ccccc1-c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.