Using COc1ccc2cc(OC)ccc2c1, O=C(Cl)c1ccc(OCCN2CCCCC2)cc1 to produce COc1ccc2c(C(=O)c3ccc(OCCN4CCCCC4)cc3)c(OC)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.