Using CC(C)(C)OC(=O)NCCN(Cc1nc2ccccc2n1C(=O)OC(C)(C)C)C1CCCc2cccnc21 to produce NCCN(Cc1nc2ccccc2[nH]1)C1CCCc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.