Using O=C([O-])[O-], CC(C)(C)[C@H](NC(=O)OCc1ccccc1)c1nn[nH]n1 to produce Cn1nnc([C@@H](NC(=O)OCc2ccccc2)C(C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.