Task: Answer the multiple choice question.
Question: Which drug has a 19.366\% 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) Cc1cc(O)c(CN2CCN(c3ccccc3)CC2)cc1C
(b) CC(C)(C)c1ccc(CNc2cc(N3CCOCC3)ccc2[N+](=O)[O-])cc1
(c) CCCCC(=O)Nc1cccc(NC(=O)c2ccc(Br)cc2)c1
(d) COc1ccc(OCCSc2nc(C)nc3ccccc23)cc1
Answer: c. CCCCC(=O)Nc1cccc(NC(=O)c2ccc(Br)cc2)c1
{#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#}
CCCCC(=O)Nc1cccc(NC(=O)c2ccc(Br)cc2)c1
CCCCC(=O)Nc1cccc(NC(=O)c2ccc(Br)cc2)c1
4-bromo-N-[3-(pentanoylamino)phenyl]benzamide