Using C1CCNC1, CC1CCCN1CCCOc1ccc(C2=NC(C)(C=O)CO2)cn1 to produce CC1CCCN1CCCOc1ccc(C2=NC(C)(CN3CCCC3)CO2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.