Using CC(=O)OC(C)=O, CCCSc1nc(N(C)C2CC2c2ccccc2)c2nnn(C3CC(CN)C(O)C3O)c2n1 to produce CCCSc1nc(N(C)C2CC2c2ccccc2)c2nnn(C3CC(CNC(C)=O)C(O)C3O)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.