Task: Answer the MCQ question.
Query: Which compound has a 1.711\% 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: CN1CCN(CCCNC(=S)Nc2ccc(F)c(Cl)c2)CC1
b: COc1ccc(N2CCN(Cc3nc4c(c(=O)[nH]c(=O)n4C)n3Cc3cccc(Cl)c3)CC2)cc1
Answer: a. CN1CCN(CCCNC(=S)Nc2ccc(F)c(Cl)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#}
CN1CCN(CCCNC(=S)Nc2ccc(F)c(Cl)c2)CC1
CN1CCN(CCCNC(=S)Nc2ccc(F)c(Cl)c2)CC1
1-(3-chloro-4-fluorophenyl)-3-[3-(4-methylpiperazin-1-yl)propyl]thiourea