Task: Answer the MCQ question.
Query: Which drug exhibits a -5.560\% 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.) CCN(CC)CCNC(=S)N1CCn2c(nc3ccccc32)C1
b.) O=C(NCCCn1ccnc1)c1cc2c(s1)CCCCC2
Answer: a. CCN(CC)CCNC(=S)N1CCn2c(nc3ccccc32)C1
{#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#}
CCN(CC)CCNC(=S)N1CCn2c(nc3ccccc32)C1
CCN(CC)CCNC(=S)N1CCn2c(nc3ccccc32)C1
N-[2-(diethylamino)ethyl]-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazole-2-carbothioamide