Using CCCN1C(=O)N2CC(CCl)N=C2c2[nH]c(C3CCCC3)nc21, C1CCNCC1 to produce CCCN1C(=O)N2CC(CN3CCCCC3)N=C2c2[nH]c(C3CCCC3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.