Using CC(C)(C)OC(=O)NCC1CCCc2c(Oc3ccc(C#N)cn3)cccc21, CC(C)CCCBr to produce CC(C)CCCN(CC1CCCc2c(Oc3ccc(C#N)cn3)cccc21)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.