Task: Answer the MCQ question.
Question: Which drug has a -5.191\% 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. O=C1O[C@@H](c2ccc(O)cc2)Cc2cccc(O)c21
b. COC(=O)c1ccc(C)c(NC(=O)Cc2coc3cc(OC)ccc23)c1
c. COc1ccc2c(c1)cc(C(=O)O)n2C
Answer: c. COc1ccc2c(c1)cc(C(=O)O)n2C
{#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#}
COc1ccc2c(c1)cc(C(=O)O)n2C
COc1ccc2c(c1)cc(C(=O)O)n2C
5-methoxy-1-methylindole-2-carboxylic acid