Using CCCC(=O)c1c(CC)nc2c(Cl)nccn12, COc1cc(C)cc(C)c1B(O)O to produce CCCC(=O)c1c(CC)nc2c(-c3c(C)cc(C)cc3OC)nccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.