Question: Please describe this drug.
 The Molecule has the SMILES O=C1CCCN1C(P)CP.
Answer: 1-(1,2-Diphosphanylethyl)pyrrolidin-2-one is a N-alkylpyrrolidine.
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C1CCCN1C(P)CP
C1CC(=O)N(C1)C(CP)P
1-[1,2-bis(phosphanyl)ethyl]pyrrolidin-2-one
Please describe this drug.
1-(1,2-Diphosphanylethyl)pyrrolidin-2-one is a N-alkylpyrrolidine.