Using CC(C)n1cc2c3c(cccc31)[C@H]1C[C@@H](C(=O)O)CN(C)[C@@H]1C2, N[C@H]1CC[C@H](N)CC1 to produce CC(C)n1cc2c3c(cccc31)[C@H]1C[C@@H](C(=O)N[C@H]3CC[C@H](N)CC3)CN(C)[C@@H]1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.