Task: Answer the MCQ question.
Question: Which drug has a 18.773\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] C=CCNc1ncnc2c1cnn2-c1ccc(OC)cc1
[b] CC(C(=O)Nc1cccnc1)C1Sc2ccccc2NC1=O
[c] O=C(COc1ccc(S(=O)(=O)NCc2ccccc2)cc1Cl)NCC1CCCO1
Answer: a. C=CCNc1ncnc2c1cnn2-c1ccc(OC)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#}
C=CCNc1ncnc2c1cnn2-c1ccc(OC)cc1
C=CCNc1ncnc2c1cnn2-c1ccc(OC)cc1
1-(4-methoxyphenyl)-N-prop-2-enylpyrazolo[3,4-d]pyrimidin-4-amine