Task: Answer the multiple-choice question.
Query: Which drug exhibits a -18.936\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Cc1ccn2cc(CCNS(=O)(=O)c3ccc4ccccc4c3)nc2c1
b O=c1c2ccccc2nnn1CSc1nc2ccccc2[nH]1
c O=C(CCl)NCc1cc(-c2ccc(Cl)cc2)no1
Answer: a. Cc1ccn2cc(CCNS(=O)(=O)c3ccc4ccccc4c3)nc2c1
{#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#}
Cc1ccn2cc(CCNS(=O)(=O)c3ccc4ccccc4c3)nc2c1
Cc1ccn2cc(CCNS(=O)(=O)c3ccc4ccccc4c3)nc2c1
N-[2-(7-methylimidazo[1,2-a]pyridin-2-yl)ethyl]naphthalene-2-sulfonamide