Task: Answer the multiple choice question.
Query: Which compound exhibits a 21.314% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CNC(=S)Nc1ccc2nc(C)oc2c1
b CSc1cccc(NC(=S)N(CCN(C)C)C(C)c2ccccn2)c1
Answer: a. CNC(=S)Nc1ccc2nc(C)oc2c1
{#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#}
CNC(=S)Nc1ccc2nc(C)oc2c1
CNC(=S)Nc1ccc2nc(C)oc2c1
1-methyl-3-(2-methyl-1,3-benzoxazol-6-yl)thiourea