Task: Answer the MCQ question.
Query: Which compound exhibits a -0.548\% 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) Cc1cc(N/C=C\c2nnnn2-c2ccccc2)no1
(b) O=c1c(Cl)c(NCCO)ncn1-c1ccccc1
Answer: b. O=c1c(Cl)c(NCCO)ncn1-c1ccccc1
{#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#}
O=c1c(Cl)c(NCCO)ncn1-c1ccccc1
O=c1c(Cl)c(NCCO)ncn1-c1ccccc1
5-chloro-6-(2-hydroxyethylamino)-3-phenylpyrimidin-4-one