Task: Answer the multiple choice question.
Query: Which compound has a 18.834\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCCC(c1nnnn1Cc1cccs1)N1CCN(C)CC1.Cl
b) O=C(Nc1cccc2ccccc12)N1CCC2(CC1)OCCO2
Answer: a. CCCC(c1nnnn1Cc1cccs1)N1CCN(C)CC1.Cl
{#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#}
CCCC(c1nnnn1Cc1cccs1)N1CCN(C)CC1.Cl
CCCC(c1nnnn1Cc1cccs1)N1CCN(C)CC1.Cl
1-methyl-4-[1-[1-(thiophen-2-ylmethyl)tetrazol-5-yl]butyl]piperazine;hydrochloride