Problem statement: Answer the MCQ question.
Query: Which drug has a 6.785\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CNC(=S)Nc1cccc(Cl)c1C
b CS(=O)(=O)c1ccc2nc(NC(=O)c3ccc(N4CCCC4=O)cc3)sc2c1
Answer: a. CNC(=S)Nc1cccc(Cl)c1C
{#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#}
CNC(=S)Nc1cccc(Cl)c1C
CNC(=S)Nc1cccc(Cl)c1C
1-(3-chloro-2-methylphenyl)-3-methylthiourea