Task: Answer the multiple choice question.
Question: Which compound exhibits a 20.228% 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) O=C(c1cc2ccccc2oc1=O)N(Cc1cccs1)Cc1ccccc1Cl
(b) Cc1ccc2c3c([nH]c2c1C)-c1nonc1CC3
(c) CCn1c(SCC(=O)NC(=O)NCc2ccco2)nc2sc(C)c(C)c2c1=O
(d) COc1ccc2nc(NC(=O)C3CCN(S(=O)(=O)c4cccs4)CC3)sc2c1
Answer: b. Cc1ccc2c3c([nH]c2c1C)-c1nonc1CC3
{#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#}
Cc1ccc2c3c([nH]c2c1C)-c1nonc1CC3
Cc1ccc2c3c([nH]c2c1C)-c1nonc1CC3
8,9-dimethyl-5,10-dihydro-4H-[1,2,5]oxadiazolo[3,4-a]carbazole