Using Cc1ccccc1Nc1ncccc1N, C[C@H](NC(=O)OC(C)(C)C)C(=O)O to produce Cc1ccccc1Nc1ncccc1NC(=O)[C@H](C)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.