Task: Answer the multiple-choice question.
Question: Which drug has a 3.921\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(NCCS(=O)(=O)N1CCN(c2ccccc2F)CC1)c1ccc(Br)cc1
b) CCOc1ccccc1Oc1nc(-c2ccccc2O)nc2ccccc12
c) COCCCN1C(=O)C(=O)/C(=C(/O)c2ccc(C)cc2)C1c1ccccc1
d) COc1ccc(/C=N/Nc2ccc(C(F)(F)F)cc2[N+](=O)[O-])cc1
Answer: b. CCOc1ccccc1Oc1nc(-c2ccccc2O)nc2ccccc12
{#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#}
CCOc1ccccc1Oc1nc(-c2ccccc2O)nc2ccccc12
CCOc1ccccc1Oc1nc(-c2ccccc2O)nc2ccccc12
2-[4-(2-ethoxyphenoxy)quinazolin-2-yl]phenol