Task: Answer the MCQ question.
Query: Which drug has a 16.885\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cn1nnnc1Sc1ncnc2scc(-c3ccc(C(F)(F)F)cc3)c12
(b) Cc1cccc(N(CC(=O)NCc2ccc(F)cc2)C(=O)c2ccco2)c1
Answer: a. Cn1nnnc1Sc1ncnc2scc(-c3ccc(C(F)(F)F)cc3)c12
{#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#}
Cn1nnnc1Sc1ncnc2scc(-c3ccc(C(F)(F)F)cc3)c12
Cn1nnnc1Sc1ncnc2scc(-c3ccc(C(F)(F)F)cc3)c12
4-(1-methyltetrazol-5-yl)sulfanyl-5-[4-(trifluoromethyl)phenyl]thieno[2,3-d]pyrimidine