Task: Answer the MCQ question.
Question: Which compound has a 19.872\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(CNCc1ccccc1)Nc1ccc(F)cc1
(b) Cn1nnc(NC(=S)NC(=O)c2cccc3ccccc23)n1
(c) COC(=O)c1ccc(CSc2nnc(C)s2)cc1
Answer: b. Cn1nnc(NC(=S)NC(=O)c2cccc3ccccc23)n1
{#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#}
Cn1nnc(NC(=S)NC(=O)c2cccc3ccccc23)n1
Cn1nnc(NC(=S)NC(=O)c2cccc3ccccc23)n1
N-[(2-methyltetrazol-5-yl)carbamothioyl]naphthalene-1-carboxamide