Task: Answer the multiple choice question.
Query: Which compound exhibits a 19.757\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] Cc1ccccc1COC[C@H](CC(C)C)N1CCN(C(=O)c2cccc(C(F)(F)F)c2)CCC1=O
[b] COC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
[c] CCCCOC(=O)CCc1c(C)[nH]c(=S)[nH]c1=O
[d] O=P(CCCCCCCCCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
Answer: b. COC(=O)CC(=O)CSc1nc(C)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_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#}
COC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
COC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
methyl 4-(3-cyano-4,6-dimethylpyridin-2-yl)sulfanyl-3-oxobutanoate