Using NCc1ccc(OCCN2CCCC2)cc1, COc1ccc(C(=O)O)c(OC)c1 to produce COc1ccc(C(=O)NCc2ccc(OCCN3CCCC3)cc2)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.