Using OB(O)C1CC1, COc1cc(C(=O)N2CCC3(CC2)Oc2ccccc2-c2c3cnn2C)ccc1Br to produce COc1cc(C(=O)N2CCC3(CC2)Oc2ccccc2-c2c3cnn2C)ccc1C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.