Task: Answer the MCQ question.
Query: Which drug has a 18.410\% 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) COc1cc(S(=O)(=O)Nc2ccccc2C)ccc1Cl
(b) COc1ccc(Cl)cc1NC(=O)CCNC(=O)Cn1ccc2ccccc2c1=O
(c) O=[N+]([O-])c1ccccc1SNc1ccc(Br)cn1
(d) Cc1c(C)n(CCc2ccccc2)c2ncnc(NCCO)c12
Answer: c. O=[N+]([O-])c1ccccc1SNc1ccc(Br)cn1
{#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#}
O=[N+]([O-])c1ccccc1SNc1ccc(Br)cn1
O=[N+]([O-])c1ccccc1SNc1ccc(Br)cn1
5-bromo-N-(2-nitrophenyl)sulfanylpyridin-2-amine