Using Cn1nc(-c2ccnc(Cl)c2)cc1NC(=O)[C@H](Cc1ccccc1)NCC(=O)OC(C)(C)C to produce Cn1nc(-c2ccncc2)cc1NC(=O)[C@H](Cc1ccccc1)NCC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.