Using CCn1cc(C(=O)O)c(=O)c2c(O)c(OCc3ccc(OC)cc3)ccc21, NCCN1CCCC1 to produce CCn1cc(C(=O)NCCN2CCCC2)c(=O)c2c(O)c(OCc3ccc(OC)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.