Task: Answer the MCQ question.
Question: Which drug has a -19.994\% 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 additional words.
Options:
a COc1cc(C#N)ccc1OCC(=O)c1ccc2c(c1)OCCO2
b O=C(C1CCN(S(=O)(=O)c2cccc3cccnc23)CC1)N1CCN(c2ccccc2)CC1
c CCn1c(=O)c(C(=O)NNS(=O)(=O)c2ccc(Cl)cc2)c(O)c2ccccc21
d COCCNc1c2c(c(C#N)c3nc4ccccc4n13)CCCC2
Answer: a. COc1cc(C#N)ccc1OCC(=O)c1ccc2c(c1)OCCO2
{#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#}
COc1cc(C#N)ccc1OCC(=O)c1ccc2c(c1)OCCO2
COc1cc(C#N)ccc1OCC(=O)c1ccc2c(c1)OCCO2
4-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-oxoethoxy]-3-methoxybenzonitrile