Task: Answer the multiple choice question.
Question: Which drug has a 20.340\% 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: Cc1onc(-c2ccccc2)c1C(=O)Nc1c(C)n(C)n(-c2ccccc2)c1=O
b: CCn1nc(NC(=O)c2ccncc2)c2cc3cccc(C)c3nc21
c: C/C(=N\OCC(=O)OCC(=O)N(Cc1ccccc1)C(C)(C)C)c1ccc2c(c1)OCO2
d: COc1cc(OC)cc(C(=O)Nc2ccc(N3CCOCC3)cc2N2CCOCC2)c1
Answer: b. CCn1nc(NC(=O)c2ccncc2)c2cc3cccc(C)c3nc21
{#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#}
CCn1nc(NC(=O)c2ccncc2)c2cc3cccc(C)c3nc21
CCn1nc(NC(=O)c2ccncc2)c2cc3cccc(C)c3nc21
N-(1-ethyl-8-methylpyrazolo[3,4-b]quinolin-3-yl)pyridine-4-carboxamide