Task: Answer the multiple choice question.
Query: Which compound has a -16.155\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] Cc1nnc(Nc2ccccn2)c2ccccc12
[b] CC(=O)c1c(C)[nH]c(C(=O)OCc2ccc(F)cc2Cl)c1C
[c] COc1ccccc1CNC(=O)c1cc(C(C)C)nc2ccccc12
[d] Cc1ccc2c(c1)cc1c(=O)n(CC(=O)N3CCCC3)nc(C)n12
Answer: a. Cc1nnc(Nc2ccccn2)c2ccccc12
{#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#}
Cc1nnc(Nc2ccccn2)c2ccccc12
Cc1nnc(Nc2ccccn2)c2ccccc12
4-methyl-N-pyridin-2-ylphthalazin-1-amine