Using CCNCC1COc2ccc(O)cc2O1, O=c1ccc2ccc(OCCCCl)cc2o1 to produce CCN(CCCOc1ccc2ccc(=O)oc2c1)CC1COc2ccc(O)cc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.