Task: Answer the multiple-choice question.
Question: Which compound has a 7.965\% 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] O=C(CSc1nc2ccccc2c(=O)n1Cc1ccccc1)Nc1ccc(Br)cc1C(=O)O
[b] O=C(Nc1ccncc1)Nc1ccccc1Cl
[c] COc1cc([N+](=O)[O-])cc(/C=N/NC(=O)c2cncc(Br)c2)c1O
[d] C[C@H]1NC(=O)[C@@]2(C)[C@@H](c3ccccc3)[C@H]3COc4ccccc4[C@H]3N2C1=O
Answer: b. O=C(Nc1ccncc1)Nc1ccccc1Cl
{#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=C(Nc1ccncc1)Nc1ccccc1Cl
O=C(Nc1ccncc1)Nc1ccccc1Cl
1-(2-chlorophenyl)-3-pyridin-4-ylurea