Using NN1CCCC(NC(=O)OCc2ccccc2)([PH](=O)NC(=O)c2ccccc2)C1=O to produce NN1CCCC(N)([PH](=O)NC(=O)c2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.