Problem statement: Answer the multiple-choice question.
Question: Which drug has a 13.220\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CCCn1c(O)c2ccc(C(=O)N=NC(=O)c3cccnc3)cc2c1O
b) O=C1OC2CCC1(c1ccccc1)C2
c) COc1ccc(NC(=O)c2cc([N+](=O)[O-])ccc2N2CCCC2)cc1
Answer: b. O=C1OC2CCC1(c1ccccc1)C2
{#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=C1OC2CCC1(c1ccccc1)C2
O=C1OC2CCC1(c1ccccc1)C2
4-phenyl-2-oxabicyclo[2.2.1]heptan-3-one