Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -19.730\% 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: Cc1ccsc1/C=N/NC(=O)c1nnn(-c2nonc2N)c1C(C)C
b: CCCC[n+]1c2ccccc2cc2ccccc21.[I-]
c: CCOC(=O)NCc1cc(-c2nn(C)c(=O)c3ccccc23)ccc1C
d: Cc1occc1-c1nnc(SCc2nc3ccccc3c(=O)n2CC#N)n1C
Answer: d. Cc1occc1-c1nnc(SCc2nc3ccccc3c(=O)n2CC#N)n1C
{#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#}
Cc1occc1-c1nnc(SCc2nc3ccccc3c(=O)n2CC#N)n1C
Cc1occc1-c1nnc(SCc2nc3ccccc3c(=O)n2CC#N)n1C
2-[2-[[4-methyl-5-(2-methylfuran-3-yl)-1,2,4-triazol-3-yl]sulfanylmethyl]-4-oxoquinazolin-3-yl]acetonitrile