Problem statement: Answer the multiple choice question.
Query: Which compound has a 3.341\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCOc1ccc(OCC)c(NC(=O)CN(C)S(=O)(=O)c2cnc[nH]2)c1
b O=C(CC1C(=O)NCCN1Cc1cccc(F)c1F)NC1CCCCCC1
c COc1ccc(-c2cc(=O)c3cc(OC)ccc3[nH]2)cc1
d O=C(Nc1ccccc1)Nc1ccc(Br)c(Cl)c1
Answer: c. COc1ccc(-c2cc(=O)c3cc(OC)ccc3[nH]2)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#}
6-methoxy-2-(4-methoxyphenyl)-1H-quinolin-4-one