Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.847\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] Cc1ccc(C(=O)NCc2ccco2)cc1S(=O)(=O)N1CCCCC1
[b] CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
[c] O=C(COC(=O)CCc1nc2ccccc2s1)NCc1ccco1
Answer: b. CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
{#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#}
CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
3-methylsulfanyl-1-morpholin-4-yl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile