Task: Answer the multiple choice question.
Question: Which drug exhibits a 1.575\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) COc1ccc(Cl)cc1C(=O)O/N=C(\N)c1ccncc1
b) O=C(CNC(=O)c1ccc2ccccc2c1)Nc1ncccc1O
c) CC1=CC(=C(C#N)C#N)c2ccccc2N1C
d) O=C(O)c1nn(CCOc2ccc(Cl)cc2Cl)c(=O)c2ccccc12
e) COc1nc(OC)nc(N2CCCCCC2)n1
Answer: c. CC1=CC(=C(C#N)C#N)c2ccccc2N1C
{#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#}
CC1=CC(=C(C#N)C#N)c2ccccc2N1C
CC1=CC(=C(C#N)C#N)c2ccccc2N1C
2-(1,2-dimethylquinolin-4-ylidene)propanedinitrile