Problem statement: Answer the multiple-choice question.
Question: Which compound has a 18.348\% 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 other words.
Options:
a) Fc1cccc(Cl)c1-c1nnc2ccc(N3CCOCC3)nn12
b) O=C(COc1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCCCCC1
c) O=C(NC12CC3CC(CC(C3)C1)C2)N1CCCC(CO)C1
d) CC(=O)N1CSCC1C(=O)O
Answer: d. CC(=O)N1CSCC1C(=O)O
{#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(=O)N1CSCC1C(=O)O
CC(=O)N1CSCC1C(=O)O
3-acetyl-1,3-thiazolidine-4-carboxylicacid