Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -14.149% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COc1cccc(-c2nc(C(N)=O)c3[nH]c(=O)n(-c4ccccc4)c3n2)c1OC
b O=C(ON=C1CCN(S(=O)(=O)c2ccccc2)CC1)c1cccc(Cl)c1
c O=C(OCc1nc2ccccc2s1)c1ccc(Br)o1
d Cc1ccc(Cl)cc1NC(=S)N/N=C/c1cccc2ccccc12
Answer: a. COc1cccc(-c2nc(C(N)=O)c3[nH]c(=O)n(-c4ccccc4)c3n2)c1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc(-c2nc(C(N)=O)c3[nH]c(=O)n(-c4ccccc4)c3n2)c1OC
COc1cccc(-c2nc(C(N)=O)c3[nH]c(=O)n(-c4ccccc4)c3n2)c1OC
2-(2,3-dimethoxyphenyl)-8-oxo-9-phenyl-7H-purine-6-carboxamide