Using CCC[C@H]1CC[C@H](c2ncc(C(=O)O)cn2)CC1, N to produce CCC[C@H]1CC[C@H](c2ncc(C(N)=O)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.