Problem statement: Answer the MCQ question.
Query: Which drug has a 5.606\% 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: O=C(NC1CCCCCCC1)C1c2ccccc2C(=O)N1Cc1cccs1
b: c1ccc2c(c1)[nH]c1c(N3CCCC3)ncnc12
c: Cc1cccc(OC(C)C(=O)Nc2cccc(S(=O)(=O)N3CCCCCC3)c2)c1
d: COc1ccc(/C=C(\NC(=O)c2ccccc2)C(=O)NCC2CCCO2)cc1
Answer: b. c1ccc2c(c1)[nH]c1c(N3CCCC3)ncnc12
{#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#}
c1ccc2c(c1)[nH]c1c(N3CCCC3)ncnc12
c1ccc2c(c1)[nH]c1c(N3CCCC3)ncnc12
4-pyrrolidin-1-yl-5H-pyrimido[5,4-b]indole