Using COC(=O)c1ccnc(-c2c[nH]cn2)c1, ClCCN1CCCC1 to produce COC(=O)c1ccnc(-c2cn(CCN3CCCC3)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.