Task: Answer the MCQ question.
Question: Which compound exhibits a 19.486\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cccs1
b. Cc1nnc(NC(=O)C2CCCC2)s1
c. CCc1ccc(N2C(=O)CC(N3CCN(Cc4ccc5c(c4)OCO5)CC3)C2=O)cc1
d. O=C1CCCN1CC1CCCN(Cc2nc(COc3ccccc3)no2)C1
e. C=CCn1c(SCC(=O)c2ccc(O)c(O)c2)nnc1-c1ccc(OC)cc1
Answer: a. O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cccs1
{#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#}
O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cccs1
O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cccs1
(2S)-3-phenyl-2-(thiophene-2-carbonylamino)propanoic acid