Using CCCCCCNP(=O)(NCCCCCC)N1CCC[C@H](NC(=O)OCc2ccccc2)C1=O to produce CCCCCCNP(=O)(NCCCCCC)N1CCC[C@H](N)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.