Using CN(C)c1nc(NC[C@H]2CC[C@H](CNC(=O)OC(C)(C)C)CC2)nc2ccccc12 to produce CN(C)c1nc(NC[C@H]2CC[C@H](CN)CC2)nc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.