Task: Answer the MCQ question.
Query: Which drug has a -20.661\% 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) O=C(O)CCCn1cc(NC(=O)c2cccc(F)c2)cn1
(b) CCCCNc1nc(=S)[nH]c2cc(OC)c(OC)cc12
(c) COC(=O)C1=C(C)N(Cc2ccccc2)C(=O)N[C@H]1CCc1ccccc1
Answer: b. CCCCNc1nc(=S)[nH]c2cc(OC)c(OC)cc12
{#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#}
CCCCNc1nc(=S)[nH]c2cc(OC)c(OC)cc12
CCCCNc1nc(=S)[nH]c2cc(OC)c(OC)cc12
4-(butylamino)-6,7-dimethoxy-1H-quinazoline-2-thione