Using CC(C)Oc1c(C(=O)Nc2nnn[nH]2)sc2c1CN(C(=O)OC(C)(C)C)CC2 to produce CC(C)Oc1c(C(=O)Nc2nnn[nH]2)sc2c1CNCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.