Task: Answer the multiple choice question.
Query: Which drug exhibits a 4.880\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=S(=O)(c1cccc(NC(=S)Nc2ccc(Br)cc2Cl)c1)N1CCOCC1
b. NC(=S)Nc1cc2ccccc2c2ccccc12
Answer: b. NC(=S)Nc1cc2ccccc2c2ccccc12
{#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#}
NC(=S)Nc1cc2ccccc2c2ccccc12
NC(=S)Nc1cc2ccccc2c2ccccc12
1-(phenanthren-9-yl)thiourea