Using COC(=O)c1cccc(NC(=O)c2cccc(C(=O)N3CCN(C(=O)C4CC4)CC3)c2)c1O to produce COC(=O)c1cccc2nc(-c3cccc(C(=O)N4CCN(C(=O)C5CC5)CC4)c3)oc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.