Using O=CC=O, CC1(C)Oc2cc(N)c(N)cc2[C@H](N)[C@H]1O to produce CC1(C)Oc2cc3nccnc3cc2[C@H](N)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.