Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.509\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cl.O=C1C2C3C=CC(C4CC34)C2C(=O)N1CCCCN1CCN(c2ccc(F)cc2)CC1
[b] O=C(CSc1nc2ccccc2o1)N/N=C/c1ccccc1C(=O)O
Answer: b. O=C(CSc1nc2ccccc2o1)N/N=C/c1ccccc1C(=O)O
{#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(CSc1nc2ccccc2o1)N/N=C/c1ccccc1C(=O)O
O=C(CSc1nc2ccccc2o1)N/N=C/c1ccccc1C(=O)O
2-[(E)-[[2-(1,3-benzoxazol-2-ylsulfanyl)acetyl]hydrazinylidene]methyl]benzoic acid