Using C1CC2(CCN1)OCCO2, O=C(CCl)Nc1ccc2oc3c(c2c1)CCCCC3 to produce O=C(CN1CCC2(CC1)OCCO2)Nc1ccc2oc3c(c2c1)CCCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.