Using CC(C)[C@H](NC(=O)[C@H](C)N(C)C(=O)OC(C)(C)C)C(=O)N1c2ncccc2C[C@H]1CNc1ccc2ccccc2c1 to produce CN[C@@H](C)C(=O)N[C@H](C(=O)N1c2ncccc2C[C@H]1CNc1ccc2ccccc2c1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.