Using COC(=O)c1cccc2c1OC[C@H](NC(=O)[C@H](C)N(C)C(=O)OC(C)(C)C)C(=O)N2Cc1c(OC)ccc2ccccc12 to produce COc1ccc2ccccc2c1CN1C(=O)[C@@H](NC(=O)[C@H](C)N(C)C(=O)OC(C)(C)C)COc2c(C(=O)O)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.