Task: Answer the multiple-choice question.
Query: Which compound has a 16.344\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(S(=O)(=O)N(CC(=O)N/N=C/c2cccs2)c2ccc(C)cc2)cc1OC
b) Cc1cccc(NC2=NCCCS2)c1C
Answer: b. Cc1cccc(NC2=NCCCS2)c1C
{#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#}
Cc1cccc(NC2=NCCCS2)c1C
Cc1cccc(NC2=NCCCS2)c1C
N-(2,3-dimethylphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine