Using CCOC(=O)CCNC(=O)[C@@H]1CCCN(C(=O)/C=C/C2CCN(C(=O)OC(C)(C)C)CC2)C1 to produce CCOC(=O)CCNC(=O)[C@@H]1CCCN(C(=O)/C=C/C2CCNCC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.