Using COCc1ccc(B(O)O)cc1, CN1C(=O)C2(CC(c3ccccc3)Oc3ccc(Br)cc32)N=C1N to produce COCc1ccc(-c2ccc3c(c2)C2(CC(c4ccccc4)O3)N=C(N)N(C)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.