Problem statement: Answer the multiple choice question.
Question: Which compound has a 8.382\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CSc1snnc1-c1ccccc1
(b) Fc1ccc(-c2ccc(-c3nn4c(-c5ccco5)nnc4s3)o2)cc1
(c) COc1ccc(N2CCN(C(=O)c3ccc4c(c3)CCN4S(=O)(=O)c3ccccc3)CC2)cc1
(d) CCCC(C)c1nnc(NC(=O)CCS(=O)(=O)c2ccccc2)s1
Answer: a. CSc1snnc1-c1ccccc1
{#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#}
CSc1snnc1-c1ccccc1
CSc1snnc1-c1ccccc1
5-methylsulfanyl-4-phenylthiadiazole