Using COc1ccc(OC(=O)CCl)cc1, COc1ccc(CN2CCNCC2)c(OC)c1OC to produce COc1ccc(OC(=O)CN2CCN(Cc3ccc(OC)c(OC)c3OC)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.