Using CC1(C)CN=C(Cl)c2ccccc2O1, OB(O)c1cnc2ccccc2c1 to produce CC1(C)CN=C(c2cnc3ccccc3c2)c2ccccc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.