Using Cc1cscc1B(O)O, CCn1c(=O)c(Br)cc2c(C)nc(N)nc21 to produce CCn1c(=O)c(-c2cscc2C)cc2c(C)nc(N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.