Task: Answer the multiple-choice question.
Question: Which drug has a -1.892\% 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, b, c, d, or e without using any additional words.
Options:
a: COc1ccc(N2C(=O)CSC2c2ccc([N+](=O)[O-])cc2)cc1
b: CCCCn1nnnc1SCC(=O)c1cc(Cl)ccc1OC
c: CCOC(=O)Cc1csc(NC(=O)c2cccs2)n1
d: CCN(CC)C(=O)Sc1cccc2cccnc12
e: CS(=O)(=O)c1ccc(N)cc1
Answer: b. CCCCn1nnnc1SCC(=O)c1cc(Cl)ccc1OC
{#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#}
CCCCn1nnnc1SCC(=O)c1cc(Cl)ccc1OC
CCCCn1nnnc1SCC(=O)c1cc(Cl)ccc1OC
2-(1-butyltetrazol-5-yl)sulfanyl-1-(5-chloro-2-methoxyphenyl)ethanone