Task: Answer the MCQ question.
Question: Which compound exhibits a 4.175\% 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.) CC1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2CC(C)CSc2nnnn2-c2ccccc2)CC1
b.) O=c1cc(-c2ccccc2)oc2ccc(O)cc12
c.) CCOc1ccccc1CNC(=O)c1c([N+](=O)[O-])c(C)nn1C
Answer: b. O=c1cc(-c2ccccc2)oc2ccc(O)cc12
{#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=c1cc(-c2ccccc2)oc2ccc(O)cc12
O=c1cc(-c2ccccc2)oc2ccc(O)cc12
6-hydroxy-2-phenylchromen-4-one