Task: Answer the MCQ question.
Query: Which drug exhibits a 6.547% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Nc1cc(Cl)ccc1Oc1ccc2ccccc2c1
b: COCCCNC(=S)NNC(=S)NCCCOC
c: CCOCCCNC(=O)c1ccccc1NC(=O)C1=C(C)OCCS1
d: Cc1cc(=O)n(-c2ccccc2Cl)[nH]1
Answer: b. COCCCNC(=S)NNC(=S)NCCCOC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCCCNC(=S)NNC(=S)NCCCOC
COCCCNC(=S)NNC(=S)NCCCOC
1-(3-methoxypropyl)-3-(3-methoxypropylcarbamothioylamino)thiourea