Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -1.507% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1cc(OC)cc(C(=O)N[C@H](C(=O)Nc2nc3c(s2)CCCC3)C(C)C)c1
(b) CCOc1ccccc1Nc1nc(N)nc(CSc2nncn2C)n1
(c) CCn1c(/C=N/Nc2ccc(C(=O)O)cc2)nc2ccccc21
(d) CSc1nc(-c2ccccc2)cc(C)c1C#N
Answer: d. CSc1nc(-c2ccccc2)cc(C)c1C#N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CSc1nc(-c2ccccc2)cc(C)c1C#N
CSc1nc(-c2ccccc2)cc(C)c1C#N
4-methyl-2-methylsulfanyl-6-phenylpyridine-3-carbonitrile