Using CC1(C)C(=O)N=C2C=CC(Br)=CN21, OB(O)c1cccc(Cl)c1 to produce CC1(C)C(=O)N=C2C=CC(c3cccc(Cl)c3)=CN21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.