Task: Answer the multiple choice question.
Question: Which compound exhibits a -31.027\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCc1ccccc1NC(=O)NNC(=O)CCc1ccccc1
b: COc1ccc2cc(C3CC(c4ccco4)=NN3S(=O)(=O)c3ccccc3)c(Cl)nc2c1
c: COc1ccccc1N1CCN(CCCNC(=O)Cn2ncc3c([nH]c4ccccc43)c2=O)CC1
Answer: c. COc1ccccc1N1CCN(CCCNC(=O)Cn2ncc3c([nH]c4ccccc43)c2=O)CC1
{#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#}
COc1ccccc1N1CCN(CCCNC(=O)Cn2ncc3c([nH]c4ccccc43)c2=O)CC1
COc1ccccc1N1CCN(CCCNC(=O)Cn2ncc3c([nH]c4ccccc43)c2=O)CC1
N-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl]-2-(4-oxo-5H-pyridazino[4,5-b]indol-3-yl)acetamide