Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.783\% 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 other words.
Options:
a) CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nnnn1-c1ccccc1
b) CCOC(=O)c1nn(-c2ccccc2)cc1O
c) Cc1ccc(CNC(=O)CCNC(=O)Cn2ccc3ccccc3c2=O)cc1
d) COc1cccc(-c2nc(CS(=O)(=O)CC(=O)NCCCc3ccccc3)c(C)o2)c1
Answer: a. CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nnnn1-c1ccccc1
{#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#}
CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nnnn1-c1ccccc1
CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nnnn1-c1ccccc1
ethyl 2,5-dimethyl-4-[2-(1-phenyltetrazol-5-yl)sulfanylacetyl]-1H-pyrrole-3-carboxylate