Using C#CCCCc1c2c(nn1CCC)c(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)nc1ccccc12 to produce C#CCCCc1c2c(nn1CCC)c(N)nc1ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.