Using COc1cc(Br)ccc1Cl, CC(C)(C)OC(=O)N1CCC2(CCC(=O)CC2)CC1 to produce COc1cc(C2=CCC3(CCNCC3)CC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.