Using Cc1ncc(C(CNC(=O)c2cccc(Cl)c2Cl)N2CCC(O)CC2)cn1 to produce Cc1ncc(C(CNC(=O)c2cccc(Cl)c2Cl)N2CCC(=O)CC2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.