Task: Answer the MCQ question.
Query: Which drug exhibits a 9.618\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COC(=O)CCCc1nc2ccccc2s1
b. COc1ccccc1CCNC(=O)Cc1cccs1
c. Cn1c(SCC(=O)NCc2ccc3c(c2)OCO3)nnc1-c1cc2ccccc2cc1O
Answer: a. COC(=O)CCCc1nc2ccccc2s1
{#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#}
COC(=O)CCCc1nc2ccccc2s1
COC(=O)CCCc1nc2ccccc2s1
methyl 4-(1,3-benzothiazol-2-yl)butanoate