Using COc1c(Cl)cnn(Cc2ccccc2)c1=O, OB(O)c1ccc(Cl)cc1 to produce COc1c(-c2ccc(Cl)cc2)cnn(Cc2ccccc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.