Task: Answer the multiple choice question.
Query: Which drug has a 6.418\% 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. COC(=O)[C@H](CO)n1cc(-c2cc(C(=O)N3CCNCC3)cc(-c3cn([C@@H](Cc4c[nH]c5ccccc45)C(=O)OC)nn3)c2)nn1.Cl
b. CCCOc1ccccc1/C=N/Nc1ccnc(=O)[nH]1
c. O=C(Nc1ccc(F)cc1)OCCOc1ccc(Br)cc1
Answer: b. CCCOc1ccccc1/C=N/Nc1ccnc(=O)[nH]1
{#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#}
CCCOc1ccccc1/C=N/Nc1ccnc(=O)[nH]1
CCCOc1ccccc1/C=N/Nc1ccnc(=O)[nH]1
6-[(2E)-2-[(2-propoxyphenyl)methylidene]hydrazinyl]-1H-pyrimidin-2-one