Task: Answer the MCQ question.
Query: Which drug exhibits a 7.296\% 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 other words.
Options:
a. CCS(=O)(=O)CCSc1nc2c(cc1C#N)CCCC2
b. Cc1cc(/C=N/NC(=O)C(=O)N2CCCC2)c(C)n1-c1cccc(Br)c1
c. COc1ccc(/C(N)=N/OC(=O)CSc2ccc(C)cc2)cc1
d. CCCn1c(=O)n(C)c(=O)c2c(SCc3cc(C(C)=O)ccc3OCC)nc(C3CC3)nc21
Answer: a. CCS(=O)(=O)CCSc1nc2c(cc1C#N)CCCC2
{#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#}
2-(2-ethylsulfonylethylsulfanyl)-5,6,7,8-tetrahydroquinoline-3-carbonitrile