Task: Answer the multiple-choice question.
Question: Which compound exhibits a 34.530% 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 COc1ccc(OCCSc2nc(C)nc3ccccc23)cc1
b COc1ccc(N(CC(O)CN2C(=O)NC(C)(C)C2=O)S(=O)(=O)c2ccccc2)cc1
Answer: a. COc1ccc(OCCSc2nc(C)nc3ccccc23)cc1
{#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#}
COc1ccc(OCCSc2nc(C)nc3ccccc23)cc1
COc1ccc(OCCSc2nc(C)nc3ccccc23)cc1
4-[2-(4-methoxyphenoxy)ethylsulfanyl]-2-methylquinazoline