Task: Answer the multiple choice question.
Question: Which compound exhibits a -4.720\% 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. CCOc1cc(C#N)ccc1OCC(=O)N1CCc2ccccc2C1
b. Cc1cccc(NC(=O)CSc2nnc([C@@H](N)Cc3ccccc3)o2)c1C.Cl
c. O=C(Nc1nnc(SCc2ccccc2Cl)s1)c1cccc([N+](=O)[O-])c1
d. COc1ccccc1NC(=S)N(Cc1ccc(C)cc1)Cc1cccnc1
Answer: a. CCOc1cc(C#N)ccc1OCC(=O)N1CCc2ccccc2C1
{#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#N)ccc1OCC(=O)N1CCc2ccccc2C1
CCOc1cc(C#N)ccc1OCC(=O)N1CCc2ccccc2C1
4-[2-(3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethoxy]-3-ethoxybenzonitrile