Using O=Cc1cccnc1, COC(=O)[C@H](CCSC)NC(=O)c1ccc(N)cc1-c1ccccc1C to produce COC(=O)[C@H](CCSC)NC(=O)c1ccc(NCc2cccnc2)cc1-c1ccccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.