Using COC(=O)c1ccc2cc(Cl)c(N(C)C(C)C)cc2c1, OB(O)c1cc2ccccc2s1 to produce COC(=O)c1ccc2cc(-c3cc4ccccc4s3)c(N(C)C(C)C)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.