Using Cc1n[nH]c(N)n1, C[C@@H]1CC(=O)C[C@H](C)O1 to produce Cc1n[nH]c(NC2C[C@@H](C)O[C@@H](C)C2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.