Task: Answer the MCQ question.
Question: Which drug exhibits a 3.273\% 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, b, or c without using any additional words.
Options:
a. O=C1CN2CCC1C/C2=C\c1ccnc2c(Cl)cccc12
b. O=C(Nc1ccc2ccccc2n1)c1ccccc1Br
c. COCc1c(C(=O)Nc2ccc3nc(N4CCOCC4)sc3c2)oc2ccccc12
Answer: a. O=C1CN2CCC1C/C2=C\c1ccnc2c(Cl)cccc12
{#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=C1CN2CCC1C/C2=C\c1ccnc2c(Cl)cccc12
O=C1CN2CCC1C/C2=C\c1ccnc2c(Cl)cccc12
(6E)-6-[(8-chloroquinolin-4-yl)methylidene]-1-azabicyclo[2.2.2]octan-3-one