Task: Answer the MCQ question.
Query: Which compound exhibits a 1.800\% human ether-à-go-go related gene (hERG) inhibition at 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(SCCc2ccncc2)cc1.Cl
b.) CCC(=O)Nc1ccc2c(c1)nc1n2CCSC1
c.) O=C(NCc1cccnc1)Nc1cc(Cl)cc(Cl)c1
d.) CC(Sc1nc(=O)cc(N)n1CCc1ccccc1)C(=O)NCc1ccccc1
e.) COc1cc(C(=O)NCCC(=O)NC2CCCc3ccccc32)cc(OC)c1OC
Answer: a. COc1ccc(SCCc2ccncc2)cc1.Cl
{#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#}
COc1ccc(SCCc2ccncc2)cc1.Cl
COc1ccc(SCCc2ccncc2)cc1.Cl
4-[2-(4-methoxyphenyl)sulfanylethyl]pyridine;hydrochloride