Task: Answer the multiple-choice question.
Query: Which drug exhibits a 8.175\% 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] COC(=O)c1ccccc1NC(=O)Cn1cnc([N+](=O)[O-])c1
[b] COC(=O)c1c(-c2ccc(OC)cc2)sc2cc3c(cc12)OCO3
[c] O=C1Nc2cc(Cl)c(Cl)cc2N(O)N1c1ccccc1Cl
[d] CN(C)N1C(N)=C(C#N)C(c2cccs2)C2=C1CC(C)(C)CC2=O
Answer: b. COC(=O)c1c(-c2ccc(OC)cc2)sc2cc3c(cc12)OCO3
{#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)c1c(-c2ccc(OC)cc2)sc2cc3c(cc12)OCO3
COC(=O)c1c(-c2ccc(OC)cc2)sc2cc3c(cc12)OCO3
methyl 6-(4-methoxyphenyl)thieno[2,3-f][1,3]benzodioxole-7-carboxylate