Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 5.098\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) COc1ccccc1N1CC(C(=O)NCCN2C(=O)S/C(=C\c3cccnc3)C2=O)CC1=O
b) CN1CCCCCC1=NC1=C(C#N)CCCC1
c) O=C(COC(=O)CCCCCN=C1NS(=O)(=O)c2ccccc21)Nc1ccc(Cl)c(Cl)c1
d) CCSc1nsc(NC(=O)Nc2cccc(OC)c2)n1
Answer: b. CN1CCCCCC1=NC1=C(C#N)CCCC1
{#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#}
CN1CCCCCC1=NC1=C(C#N)CCCC1
CN1CCCCCC1=NC1=C(C#N)CCCC1
2-[(1-methylazepan-2-ylidene)amino]cyclohexene-1-carbonitrile