Using Cc1cccc2c1cc(C(=O)NCC1CCNCC1)c(=O)n2C(C)C, CC(Br)C(=O)OC(C)(C)C to produce Cc1cccc2c1cc(C(=O)NCC1CCN(C(C)C(=O)OC(C)(C)C)CC1)c(=O)n2C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.