Using CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCC(=O)NC(C)CNC(=O)OC(C)(C)C to produce CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCC(=O)NC(C)CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.