Using CCCCCNC(=O)OC[C@H]1CCC(=O)N1C/C=C\CCCC(=O)OC to produce CCCCCNC(=O)OC[C@H]1CCC(=O)N1CCCCCCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.