Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 0.053\% 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. COc1ccc(CCN2C(=O)CC(C(N)=O)SC2=Nc2ccccc2)cc1OC
b. COc1cccc(NC(=O)CN(C)C(=O)C(CCSC)NC(=O)c2ccco2)c1
c. CCOC(=O)C1CCN(C(=O)Nc2cccc(Cl)c2)CC1
d. COc1ccc2cc(N=Cc3nc(-c4ccc(C)cc4)oc3O)cnc2c1
Answer: a. COc1ccc(CCN2C(=O)CC(C(N)=O)SC2=Nc2ccccc2)cc1OC
{#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#}
COc1ccc(CCN2C(=O)CC(C(N)=O)SC2=Nc2ccccc2)cc1OC
COc1ccc(CCN2C(=O)CC(C(N)=O)SC2=Nc2ccccc2)cc1OC
3-[2-(3,4-dimethoxyphenyl)ethyl]-4-oxo-2-phenylimino-1,3-thiazinane-6-carboxamide