Task: Answer the multiple choice question.
Question: Which compound has a 18.942\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCOCC1
b COc1ccc(OC)c(S(=O)(=O)Nc2cccc3ccccc23)c1
Answer: a. O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCOCC1
{#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(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCOCC1
O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCOCC1
[5-[(3-chlorophenyl)sulfinylmethyl]furan-2-yl]-morpholin-4-ylmethanone