Task: Answer the multiple choice question.
Question: Which drug has a 25.134\% 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 other words.
Options:
a) COc1ccc(Br)cc1S(=O)(=O)NCCN1CCOCC1
b) CCC1CCc2c(sc(NC(=O)CSc3nc(-c4ccco4)cc(C(F)(F)F)n3)c2C#N)C1
c) Cc1nc2ccc(C(=O)O)cc2nc1C
d) O=c1cc(CCl)nc(Cc2c(Cl)cccc2Cl)[nH]1
Answer: c. Cc1nc2ccc(C(=O)O)cc2nc1C
{#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#}
Cc1nc2ccc(C(=O)O)cc2nc1C
Cc1nc2ccc(C(=O)O)cc2nc1C
2,3-dimethylquinoxaline-6-carboxylic acid