Task: Answer the MCQ question.
Question: Which drug has a 13.816\% 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) COc1ccccc1N1CCN(C(=O)CSc2nc(N)cc(=O)[nH]2)CC1
(b) CC(C)n1cnc2c(Nc3ccc(F)c(Cl)c3)nc(NCCO)nc21
(c) CC1CCN(C(=O)CN2C(=O)C(=O)N(C)C2=O)c2ccccc2S1
(d) COc1ccc(Br)cc1CN(C)C(=O)c1cnc(C)cn1
Answer: d. COc1ccc(Br)cc1CN(C)C(=O)c1cnc(C)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#}
COc1ccc(Br)cc1CN(C)C(=O)c1cnc(C)cn1
COc1ccc(Br)cc1CN(C)C(=O)c1cnc(C)cn1
N-[(5-bromo-2-methoxyphenyl)methyl]-N,5-dimethylpyrazine-2-carboxamide