Task: Answer the multiple choice question.
Query: Which drug has a 3.463\% 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) CC(=O)Nc1ccc(-c2nc3cc(Cl)c([N+](=O)[O-])cc3[nH]2)cc1
(b) c1cnc(N2CCSCC2)nc1
(c) Cc1ccc2nc(NC(=O)CCNS(=O)(=O)c3ccc(Br)s3)sc2c1
Answer: b. c1cnc(N2CCSCC2)nc1
{#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#}
c1cnc(N2CCSCC2)nc1
c1cnc(N2CCSCC2)nc1
4-pyrimidin-2-yl-1,4-thiazinane