Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 6.554\% 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 COc1ccc(-c2ccc3nnc(SCC(=O)Nc4ccc(NC(C)=O)cc4)n3n2)cc1
b O=C(CSc1ccsc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
c COC(=O)[C@@]1(C)CC[C@]2(C)CC[C@@]3(C)C(=CC(=O)C4[C@@]5(C)CC[C@H](O)C(C)(C)[C@@H]5CC[C@]43C)[C@H]2C1
d Cc1cc(C(=O)NCC(=O)Nc2c(C)cccc2C)c2ccccc2n1
Answer: b. O=C(CSc1ccsc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
{#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(CSc1ccsc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
O=C(CSc1ccsc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
2-(2-nitrothiophen-3-yl)sulfanyl-1-(4-phenylpiperazin-1-yl)ethanone