Task: Answer the MCQ question.
Query: Which compound has a 18.637\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) Cc1c(C)c(C)c2[nH]c(=S)[nH]c2c1C
(b) CCCCn1c(N)c(N(CCOC)C(=O)c2cc(-c3ccc(C)cc3)nc3ccccc23)c(=O)[nH]c1=O
(c) COc1ccc(S(=O)(=O)Nc2ccccc2Cl)cc1NC(C)=O
(d) Cc1cccc(N2CCN(CCc3ccccc3)CC2)c1C
(e) CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CNC(=O)COc1ccccc1
Answer: a. Cc1c(C)c(C)c2[nH]c(=S)[nH]c2c1C
{#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#}
Cc1c(C)c(C)c2[nH]c(=S)[nH]c2c1C
Cc1c(C)c(C)c2[nH]c(=S)[nH]c2c1C
4,5,6,7-tetramethyl-1,3-dihydrobenzimidazole-2-thione