Problem statement: Answer the MCQ question.
Query: Which drug has a 9.408\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: O=C(N/N=C/c1ccccn1)c1ccncc1
b: O=c1[nH]c(=S)c2ncn(-c3ccccc3)c2[nH]1
c: Cc1ccc(S(=O)(=O)NNC(=O)NC23CC4CC(CC(C4)C2)C3)cc1
Answer: b. O=c1[nH]c(=S)c2ncn(-c3ccccc3)c2[nH]1
{#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=c1[nH]c(=S)c2ncn(-c3ccccc3)c2[nH]1
O=c1[nH]c(=S)c2ncn(-c3ccccc3)c2[nH]1
9-phenyl-6-sulfanylidene-3H-purin-2-one