Task: Answer the MCQ question.
Query: Which drug exhibits a 2.563\% 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. CN1CCN(C(=O)c2ccc3c(=O)n(Cc4ccco4)c(=S)[nH]c3c2)CC1
b. CCCNC(=O)c1cc(-c2ccc(OC)cc2)on1
Answer: a. CN1CCN(C(=O)c2ccc3c(=O)n(Cc4ccco4)c(=S)[nH]c3c2)CC1
{#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#}
CN1CCN(C(=O)c2ccc3c(=O)n(Cc4ccco4)c(=S)[nH]c3c2)CC1
CN1CCN(C(=O)c2ccc3c(=O)n(Cc4ccco4)c(=S)[nH]c3c2)CC1
3-(furan-2-ylmethyl)-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one