Task: Answer the multiple-choice question.
Question: Which drug has a -53.491\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCN(C(=O)CSc1ncccc1C(=O)O)C1CCCCC1
b. COc1ccc(NC(=O)COc2cccc3c2CCN(Cc2cccnc2)C3=O)c(OC)c1
c. O=S1(=O)NC2CCCCCN2c2ccc(F)cc21
d. COc1ccc(CCNCc2cc3ccc(C)cc3[nH]c2=O)cc1OC
Answer: d. COc1ccc(CCNCc2cc3ccc(C)cc3[nH]c2=O)cc1OC
{#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(CCNCc2cc3ccc(C)cc3[nH]c2=O)cc1OC
COc1ccc(CCNCc2cc3ccc(C)cc3[nH]c2=O)cc1OC
3-[[2-(3,4-dimethoxyphenyl)ethylamino]methyl]-7-methyl-1H-quinolin-2-one