Task: Answer the MCQ question.
Query: Which drug exhibits a 2.586\% 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 CC(C(=O)c1ccccc1)N1C(=O)c2ccccc2C1=O
b CCOC(=O)c1c(C)n(Cc2ccco2)c2c1cc(O)c1ccccc12
c CC(=O)c1ccc(NC(=O)c2ccc(S(=O)(=O)c3ccccc3)cc2)cc1
d CC1=C(C(=O)OCc2ccc3c(c2)OCO3)C(c2ccccc2)NC(=O)N1
e Cn1c(Br)nc2c1c(=O)n(CC(O)COc1ccccc1)c(=O)n2C
Answer: b. CCOC(=O)c1c(C)n(Cc2ccco2)c2c1cc(O)c1ccccc12
{#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#}
ethyl 1-(furan-2-ylmethyl)-5-hydroxy-2-methylbenzo[g]indole-3-carboxylate