Using CC(C)(C)C(=O)OCn1cc(CCCC(=O)NC2CCN(C(=O)/C=C/c3cc(Cl)cc(Cl)c3)CC2)nn1 to produce O=C(CCCc1c[nH]nn1)NC1CCN(C(=O)/C=C/c2cc(Cl)cc(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.