Task: Answer the MCQ question.
Query: Which compound exhibits a -2.736% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] NS(=O)(=O)c1cccc(NC(=O)CCCNC(=O)c2ccc(Cl)cc2)c1
[b] CCCCn1nnnc1SCC(=O)N1CCCC1
[c] COc1cc2ccc(=O)oc2c(CC=C(C)C)c1OC
[d] Br.C#CCOC(=O)C1=CCCN(C)C1
Answer: c. COc1cc2ccc(=O)oc2c(CC=C(C)C)c1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cc2ccc(=O)oc2c(CC=C(C)C)c1OC
COc1cc2ccc(=O)oc2c(CC=C(C)C)c1OC
6,7-dimethoxy-8-(3-methylbut-2-enyl)chromen-2-one