Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.306\% 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 or b without using any other words.
Options:
a: CCCN1CCN(CCCNC(=O)C2CCCN(c3nnc(-n4cccc4)s3)C2)CC1
b: C/C(=N\NC(=O)CNc1cccc2ccccc12)c1ccccc1
Answer: a. CCCN1CCN(CCCNC(=O)C2CCCN(c3nnc(-n4cccc4)s3)C2)CC1
{#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#}
CCCN1CCN(CCCNC(=O)C2CCCN(c3nnc(-n4cccc4)s3)C2)CC1
CCCN1CCN(CCCNC(=O)C2CCCN(c3nnc(-n4cccc4)s3)C2)CC1
N-[3-(4-propylpiperazin-1-yl)propyl]-1-(5-pyrrol-1-yl-1,3,4-thiadiazol-2-yl)piperidine-3-carboxamide