Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 9.969\% 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=C(Nc1cccnc1)c1cc2c(ccc3ccccc32)o1
b. CCC(C)(C(=O)NC1CCCCC1)N(Cc1ccco1)C(=O)CNC(=O)c1ccccc1
Answer: a. O=C(Nc1cccnc1)c1cc2c(ccc3ccccc32)o1
{#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(Nc1cccnc1)c1cc2c(ccc3ccccc32)o1
O=C(Nc1cccnc1)c1cc2c(ccc3ccccc32)o1
N-pyridin-3-ylbenzo[e][1]benzofuran-2-carboxamide