Using C[C@H](Nc1ccccc1N)[C@H](NC(=O)OC(C)(C)C)C(=O)O to produce C[C@@H]1Nc2ccccc2NC(=O)[C@H]1NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.