Task: Answer the multiple choice question.
Query: Which compound exhibits a 16.983\% 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. COCC(=O)NNC(=S)Nc1cccc(C)c1C
b. CC(=O)N1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
Answer: a. COCC(=O)NNC(=S)Nc1cccc(C)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#}
COCC(=O)NNC(=S)Nc1cccc(C)c1C
COCC(=O)NNC(=S)Nc1cccc(C)c1C
1-(2,3-dimethylphenyl)-3-[(2-methoxyacetyl)amino]thiourea