Problem statement: Answer the multiple choice question.
Query: Which compound has a -18.370% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CSc1cccc(NC(=O)C2CCCN2S(=O)(=O)c2ccc(Br)s2)c1
b O=C(COC(=O)c1ccc(Cl)s1)c1cc2ccccc2o1
Answer: b. O=C(COC(=O)c1ccc(Cl)s1)c1cc2ccccc2o1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COC(=O)c1ccc(Cl)s1)c1cc2ccccc2o1
O=C(COC(=O)c1ccc(Cl)s1)c1cc2ccccc2o1
[2-(1-benzofuran-2-yl)-2-oxoethyl] 5-chlorothiophene-2-carboxylate