Task: Answer the multiple-choice question.
Question: Which drug has a -20.367% 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.) Cc1cc2n(n1)C(c1ccsc1)Nc1ccccc1-2
b.) Cc1nn(C)cc1/C=N/NC(=O)Cn1nnc(N)n1
Answer: a. Cc1cc2n(n1)C(c1ccsc1)Nc1ccccc1-2
{#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#}
Cc1cc2n(n1)C(c1ccsc1)Nc1ccccc1-2
Cc1cc2n(n1)C(c1ccsc1)Nc1ccccc1-2
2-methyl-5-thiophen-3-yl-5,6-dihydropyrazolo[1,5-c]quinazoline