Task: Please answer the following question about the molecule with SMILES O=[N+]([O-])OCC(CO[N+](=O)[O-])(CO[N+](=O)[O-])CO[N+](=O)[O-].
Description: How many hydrogen bond acceptors does this compound have?
Answer: 12
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=[N+]([O-])OCC(CO[N+](=O)[O-])(CO[N+](=O)[O-])CO[N+](=O)[O-]
O=[N+]([O-])OCC(CO[N+](=O)[O-])(CO[N+](=O)[O-])CO[N+](=O)[O-]
[3-nitrooxy-2,2-bis(nitrooxymethyl)propyl]nitrate
How many hydrogen bond acceptors does this compound have?
12