Problem statement: Answer the MCQ question.
Question: Which drug has a 18.105\% 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) Fc1ccccc1NC(=S)NC1CCCC1
b) COc1cccc(C(C(=O)NC(C)(C)C)N(CCC(C)C)C(=O)CCC(=O)Nc2cc(C)on2)c1OC
Answer: a. Fc1ccccc1NC(=S)NC1CCCC1
{#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#}
Fc1ccccc1NC(=S)NC1CCCC1
Fc1ccccc1NC(=S)NC1CCCC1
1-cyclopentyl-3-(2-fluorophenyl)thiourea