Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.541\% 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 additional words.
Options:
(a) CSc1ccccc1C(=O)NCCOc1ccccc1C
(b) O=C1N(c2cccc(Cl)c2)C(c2cccnc2)N2CCCN12
Answer: a. CSc1ccccc1C(=O)NCCOc1ccccc1C
{#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#}
CSc1ccccc1C(=O)NCCOc1ccccc1C
CSc1ccccc1C(=O)NCCOc1ccccc1C
N-[2-(2-methylphenoxy)ethyl]-2-methylsulfanylbenzamide