Using CC(C)(C)OC(=O)OC(C)(C)C, Cc1cc(CNCCC(C)C)ccc1Br to produce Cc1cc(CN(CCC(C)C)C(=O)OC(C)(C)C)ccc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.