Problem statement: Answer the multiple-choice question.
Query: Which drug has a 3.000\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCn1c(SC(C)C(=O)c2ccc(OC)cc2)nc2cc(S(N)(=O)=O)ccc21
(b) Cc1ccc(C)c(NC(=O)CSc2nnc(-c3ccccc3)o2)c1
Answer: a. CCCCn1c(SC(C)C(=O)c2ccc(OC)cc2)nc2cc(S(N)(=O)=O)ccc21
{#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#}
1-butyl-2-[1-(4-methoxyphenyl)-1-oxopropan-2-yl]sulfanylbenzimidazole-5-sulfonamide