Task: Answer the MCQ question.
Question: Which drug has a 2.987\% 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 additional words.
Options:
(a) CN(C)c1ccc(C=Nc2cnn(C)c2C(N)=O)cc1
(b) O=C(Cc1ccccc1Cl)N1CCN(c2ncccn2)CC1
(c) N#Cc1cccc(Cn2cc(C(F)(F)F)ccc2=O)c1
(d) CCOc1ccccc1N1CCN(Cc2ccc(Br)s2)CC1
Answer: d. CCOc1ccccc1N1CCN(Cc2ccc(Br)s2)CC1
{#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#}
CCOc1ccccc1N1CCN(Cc2ccc(Br)s2)CC1
CCOc1ccccc1N1CCN(Cc2ccc(Br)s2)CC1
4-[(5-bromothiophen-2-yl)methyl]-1-(6-ethoxyphenyl)piperazine