Task: Answer the MCQ question.
Question: Which compound has a 17.976\% 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. O=C(Nc1nccs1)c1c(O)c2c([nH]c1=O)CCCC2
b. Clc1ccc(-c2csc(-c3ccncc3)n2)cc1
c. CCc1ccc2nc(N3C(=O)c4oc5ccccc5c(=O)c4C3c3ccc(OC)c(OC)c3)sc2c1
Answer: c. CCc1ccc2nc(N3C(=O)c4oc5ccccc5c(=O)c4C3c3ccc(OC)c(OC)c3)sc2c1
{#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#}
CCc1ccc2nc(N3C(=O)c4oc5ccccc5c(=O)c4C3c3ccc(OC)c(OC)c3)sc2c1
CCc1ccc2nc(N3C(=O)c4oc5ccccc5c(=O)c4C3c3ccc(OC)c(OC)c3)sc2c1
1-(3,4-dimethoxyphenyl)-2-(6-ethyl-1,3-benzothiazol-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione