Using CC1(C)CC=C(B(O)O)CC1, COC(=O)C1(c2ccc(N)c(Br)c2)CCOCC1 to produce COC(=O)C1(c2ccc(N)c(C3=CCC(C)(C)CC3)c2)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.