Using CC(C)(C)OC(=O)N1CCNCC1, Nc1cccc2c1C(=O)N(CC(=O)O)C2=O to produce CC(C)(C)OC(=O)N1CCN(C(=O)CN2C(=O)c3cccc(N)c3C2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.