Task: Answer the multiple-choice question.
Question: Which drug exhibits a -2.650\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1cc(NC(=O)c2ccc(C#N)cc2)n(-c2ccccn2)n1
b. O=C(NCc1ccccc1)C(=O)NCC1OCCN1C(=O)c1ccc(Cl)cc1
c. CCOC(=O)c1sc(C)c2c(=O)n(CC)nnc12
d. CSc1ccc(/C=N/NC(=O)CN2CCN(Cc3ccccc3Cl)CC2)cc1
Answer: a. Cc1cc(NC(=O)c2ccc(C#N)cc2)n(-c2ccccn2)n1
{#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#}
Cc1cc(NC(=O)c2ccc(C#N)cc2)n(-c2ccccn2)n1
Cc1cc(NC(=O)c2ccc(C#N)cc2)n(-c2ccccn2)n1
4-cyano-N-(5-methyl-2-pyridin-2-ylpyrazol-3-yl)benzamide