Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 4.443\% 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 other words.
Options:
a: COc1ccccc1C(=O)NC(=S)Nc1cccnc1Cl
b: Cc1ccc(OCc2cc(C(=O)NCc3cn4ccccc4n3)no2)cc1C
c: COc1ccc(C(=O)OCC(=O)NC(=O)NC2CCCC2)cc1OC
d: Cc1noc(C)c1S(=O)(=O)NCc1ccc2c(c1)OCO2
Answer: a. COc1ccccc1C(=O)NC(=S)Nc1cccnc1Cl
{#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#}
COc1ccccc1C(=O)NC(=S)Nc1cccnc1Cl
COc1ccccc1C(=O)NC(=S)Nc1cccnc1Cl
N-[(2-chloropyridin-3-yl)carbamothioyl]-2-methoxybenzamide