Problem statement: Answer the MCQ question.
Query: Which drug has a 17.135\% 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, c, or d without using any additional words.
Options:
a: Cn1c(SCc2nc3ccccc3[nH]2)nnc1-c1cnccn1
b: Clc1ccc(CSc2nnc(-c3ccc4c(c3)OCO4)o2)cc1
c: CCOC(=O)c1cnn(-c2cc(C)nc3c(-c4ccccc4)cnn23)c1N
d: O=C1OC(C(=O)Nc2ccccc2)Cc2ccccc21
Answer: a. Cn1c(SCc2nc3ccccc3[nH]2)nnc1-c1cnccn1
{#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#}
Cn1c(SCc2nc3ccccc3[nH]2)nnc1-c1cnccn1
Cn1c(SCc2nc3ccccc3[nH]2)nnc1-c1cnccn1
2-[(4-methyl-5-pyrazin-2-yl-1,2,4-triazol-3-yl)sulfanylmethyl]-1H-benzimidazole