Using COCN(C(=O)OC(C)(C)C)[C@H]1CCC[C@H](Cc2ccc(OC)cc2)[C@@H](O)[C@H](C)OC1=O, C=CCOC(=O)OC(C)(C)C to produce C=CCO[C@@H]1[C@@H](Cc2ccc(OC)cc2)CCC[C@H](N(COC)C(=O)OC(C)(C)C)C(=O)O[C@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.