Using [NH4+], COC(=O)c1cncn1NC(=O)C1CN(Cc2ccccc2)CC1C to produce CC1CN(Cc2ccccc2)CC1c1nn2cncc2c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.