Task: Answer the multiple-choice question.
Query: Which drug exhibits a 3.576\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCc1cccc(C)c1NC(=O)CCCn1c(=O)c2cccn2c2cccnc21
b CC1=NCC(C)c2c1[nH]c1ccccc21
Answer: b. CC1=NCC(C)c2c1[nH]c1ccccc21
{#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#}
CC1=NCC(C)c2c1[nH]c1ccccc21
CC1=NCC(C)c2c1[nH]c1ccccc21
1,4-dimethyl-4,9-dihydro-3H-pyrido[3,4-b]indole