Task: Answer the MCQ question.
Question: Which compound has a 17.282\% 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, or d without using any other words.
Options:
a COc1ccccc1OCCSc1nc2ccccc2n1CCO
b CCS(=O)(=O)C1=NSC2=NC(=O)/C(=C\c3ccc(OC(=O)c4ccco4)c(OC)c3)C(=N)N21
c COc1ccc(-c2cc(C(=O)c3c(N)n(C)c(=O)n(C)c3=O)c3ccccc3n2)cc1
d O=[N+]([O-])c1ccc(-c2noc3cc(C(F)(F)F)cnc23)cc1
Answer: a. COc1ccccc1OCCSc1nc2ccccc2n1CCO
{#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#}
COc1ccccc1OCCSc1nc2ccccc2n1CCO
COc1ccccc1OCCSc1nc2ccccc2n1CCO
2-[2-[2-(2-methoxyphenoxy)ethylsulfanyl]benzimidazol-1-yl]ethanol