User: I have a question about the chemical with SMILES O=P(NCCCl)(NCCCl)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O.
Assistant: Sure, what is your question?
User: How many hydrogen bond acceptors does this compound have?
Assistant: The answer is 7
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
O=P(NCCCl)(NCCCl)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
O=P(NCCCl)(NCCCl)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
(2S,3R,4S,5S,6R)-2-bis(2-chloroethylamino)phosphoryloxy-6-(hydroxymethyl)oxane-3,4,5-triol
How many hydrogen bond acceptors does this compound have?