Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.946\% 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 additional words.
Options:
a: COc1ccc(-c2csc(NC(=O)CN3C(=O)CCC3=O)n2)cc1
b: O=C(O)C1Sc2[nH]c(=O)sc2C2c3cc(Cl)ccc3OC(=O)C12
c: O=C(Nc1ccc(O)cc1)C1CCCO1
Answer: b. O=C(O)C1Sc2[nH]c(=O)sc2C2c3cc(Cl)ccc3OC(=O)C12
{#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#}
O=C(O)C1Sc2[nH]c(=O)sc2C2c3cc(Cl)ccc3OC(=O)C12
O=C(O)C1Sc2[nH]c(=O)sc2C2c3cc(Cl)ccc3OC(=O)C12
4-chloro-9,15-dioxo-8-oxa-12,16-dithia-14-azatetracyclo[8.7.0.02,7.013,17]heptadeca-2(7),3,5,13(17)-tetraene-11-carboxylic acid