Using CCCCCCCCOC(C=O)=CN(C)C, N=C(N)[C@H]1CC[C@H](C(=N)N)CC1 to produce CCCCCCCCOc1cnc([C@H]2CC[C@H](c3ncc(OCCCCCCCC)cn3)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.