Task: Answer the multiple choice question.
Question: Which drug exhibits a 1.652\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(c1ccccc1)n1c(Cn2ncc3ccccc3c2=O)n[nH]c1=S
b. CCOc1ccc2nc(N3CCC(C(=O)N4CCN(c5ccccn5)CC4)CC3)sc2c1
Answer: a. CC(c1ccccc1)n1c(Cn2ncc3ccccc3c2=O)n[nH]c1=S
{#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#}
CC(c1ccccc1)n1c(Cn2ncc3ccccc3c2=O)n[nH]c1=S
CC(c1ccccc1)n1c(Cn2ncc3ccccc3c2=O)n[nH]c1=S
2-[[4-(1-phenylethyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]methyl]phthalazin-1-one