Using COc1ccc(C[C@H](N)C(=O)N[C@H]2[C@@H](O)[C@H](n3cnc4c(N)ncnc43)O[C@@H]2C(=O)O)cc1, CC(C)(C)OC(=O)N[C@H](Cc1ccccc1)C(=O)O to produce COc1ccc(C[C@H](NC(=O)[C@@H](Cc2ccccc2)NC(=O)OC(C)(C)C)C(=O)N[C@H]2[C@@H](O)[C@H](n3cnc4c(N)ncnc43)O[C@@H]2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.