Task: Answer the multiple choice question.
Query: Which compound has a 1.597\% 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. CCN(CC)CCN(C(=O)C1CCCCC1)c1nc2cc3c(cc2s1)OCO3.Cl
b. O=C(CSc1ccc(-c2ccccc2)nn1)c1ccccc1
c. COc1cccc(C(=O)NCCS(=O)(=O)NCCCc2ccccc2)c1
d. C=CCOc1ccc(/C=C/C(=O)OCC(=O)NCc2cccs2)cc1
Answer: b. O=C(CSc1ccc(-c2ccccc2)nn1)c1ccccc1
{#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(CSc1ccc(-c2ccccc2)nn1)c1ccccc1
O=C(CSc1ccc(-c2ccccc2)nn1)c1ccccc1
1-phenyl-2-(6-phenylpyridazin-3-yl)sulfanylethanone