Using NCc1cccc2ccccc12, CC[C@H](C)[C@@H](C=O)NC(=O)OC(C)(C)C to produce CC[C@H](C)[C@@H](CNCc1cccc2ccccc12)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.