Using OC(CCl)CN1CCN(c2ccc(Cl)cc2)CC1, O=C1CCCc2c(O)cccc21 to produce O=C1CCCc2c(OCC(O)CN3CCN(c4ccc(Cl)cc4)CC3)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.