Task: Answer the multiple-choice question.
Question: Which compound exhibits a -51.059\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(NCCCN1CCN(c2ccccc2F)CC1)Nc1ccccc1[N+](=O)[O-]
[b] COc1ccc(CNC(=O)COC(=O)c2[nH]c(C)c(C(C)=O)c2C)cc1OC
[c] O=C(Cc1ccsc1)NNC(=O)c1ccc(F)cc1
[d] COc1cccc(/C=C/C(=O)NNC(=O)c2ccncc2)c1OC
Answer: a. O=C(NCCCN1CCN(c2ccccc2F)CC1)Nc1ccccc1[N+](=O)[O-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NCCCN1CCN(c2ccccc2F)CC1)Nc1ccccc1[N+](=O)[O-]
O=C(NCCCN1CCN(c2ccccc2F)CC1)Nc1ccccc1[N+](=O)[O-]
1-[3-[4-(2-fluorophenyl)piperazin-1-yl]propyl]-3-(2-nitrophenyl)urea