Task: Answer the MCQ question.
Query: Which drug exhibits a -4.321\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CNC(=O)c1cc2c(=O)n3cccc(C)c3nc2n(C(C)C)c1=N
b: COc1cccc(-c2coc3cc4oc(=O)c(CC(=O)O)c(C)c4cc23)c1
c: COCCn1nnnc1C(c1cc2cc(C)cc(C)c2[nH]c1=O)N1CCN(c2ccccc2F)CC1
Answer: c. COCCn1nnnc1C(c1cc2cc(C)cc(C)c2[nH]c1=O)N1CCN(c2ccccc2F)CC1
{#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#}
COCCn1nnnc1C(c1cc2cc(C)cc(C)c2[nH]c1=O)N1CCN(c2ccccc2F)CC1
COCCn1nnnc1C(c1cc2cc(C)cc(C)c2[nH]c1=O)N1CCN(c2ccccc2F)CC1
3-[[4-(2-fluorophenyl)piperazin-1-yl]-[1-(2-methoxyethyl)tetrazol-5-yl]methyl]-6,8-dimethyl-1H-quinolin-2-one