Task: Answer the multiple-choice question.
Question: Which drug exhibits a -4.405\% 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 COc1ccc([C@@H]2COc3c(ccc4c3C=CC(C)(C)O4)C2)c(OC)c1
b CCc1ccc2oc(C(=O)N3CCN(c4ccc(OC)cc4)CC3)cc(=O)c2c1
c CCOc1ccc(Cl)cc1CSc1ncn[nH]1
d COc1ccc(C(C#N)CCC2OCCO2)cc1OC
Answer: d. COc1ccc(C(C#N)CCC2OCCO2)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(C(C#N)CCC2OCCO2)cc1OC
COc1ccc(C(C#N)CCC2OCCO2)cc1OC
2-(3,4-dimethoxyphenyl)-4-(1,3-dioxolan-2-yl)butanenitrile