Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 13.188\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=S1OCCN1c1ccccc1
b) CC(=O)n1cc([C@H]2C=C(C(=O)NCc3ccccc3)O[C@@H](OCc3ccc(CO)cc3)C2)c2ccccc21
Answer: a. O=S1OCCN1c1ccccc1
{#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=S1OCCN1c1ccccc1
O=S1OCCN1c1ccccc1
3-phenyloxathiazolidine 2-oxide