Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -18.272\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cn1cnc2c1c(=O)[nH]c(=O)n2C
b) CCOc1cc(CN2CCN(c3ccc(C(C)=O)cc3)CC2)ccc1OC
Answer: b. CCOc1cc(CN2CCN(c3ccc(C(C)=O)cc3)CC2)ccc1OC
{#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#}
CCOc1cc(CN2CCN(c3ccc(C(C)=O)cc3)CC2)ccc1OC
CCOc1cc(CN2CCN(c3ccc(C(C)=O)cc3)CC2)ccc1OC
1-[4-[4-[(3-ethoxy-4-methoxyphenyl)methyl]piperazin-1-yl]phenyl]ethanone