Task: Answer the MCQ question.
Query: Which compound exhibits a 8.665\% 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] Cc1cccc2c1CC(C)(C)N=C2C1=C(O)CC(C)(C)CC1=O
[b] COC(=O)C1=C(c2cc3ccccc3s2)C[C@@H]2CC[C@H]1N2C(=O)NCCO
[c] CCNC(=O)N1CCC(n2nccc2NC(=O)CCCc2ccccc2)CC1
[d] O=C(COc1ccccc1F)c1ccc(O)cc1O
Answer: b. COC(=O)C1=C(c2cc3ccccc3s2)C[C@@H]2CC[C@H]1N2C(=O)NCCO
{#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#}
COC(=O)C1=C(c2cc3ccccc3s2)C[C@@H]2CC[C@H]1N2C(=O)NCCO
COC(=O)C1=C(c2cc3ccccc3s2)C[C@@H]2CC[C@H]1N2C(=O)NCCO
methyl (1R,5S)-3-(1-benzothiophen-2-yl)-8-(2-hydroxyethylcarbamoyl)-8-azabicyclo[3.2.1]oct-2-ene-2-carboxylate