Task: Answer the multiple choice question.
Question: Which drug exhibits a -3.311\% 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: CC(NC(=O)Nc1cccc(F)c1)c1ccc2c(c1)OCO2
b: CCOc1cc(C=O)ccc1OCCSc1ccc(C)cc1
c: O=C(c1c[nH]c(C(=O)C(Cl)(Cl)Cl)c1)c1ccccc1Cl
d: CC1C(=O)C(C)(C)C(=O)OC1c1ccc([N+](=O)[O-])cc1
Answer: b. CCOc1cc(C=O)ccc1OCCSc1ccc(C)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#}
CCOc1cc(C=O)ccc1OCCSc1ccc(C)cc1
CCOc1cc(C=O)ccc1OCCSc1ccc(C)cc1
3-ethoxy-4-[2-(4-methylphenyl)sulfanylethoxy]benzaldehyde