Task: Answer the MCQ question.
Query: Which compound has a 19.189\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Cn1cc(Br)c(C(=O)Nc2sc3c(c2C(N)=O)CCCC3)n1
(b) O=C(CCN1C(=O)S/C(=C\c2ccccc2)C1=O)Nc1ccc(O)cc1C(=O)O
(c) COc1ccccc1Nc1nnc(C)c(=O)[nH]1
(d) O=C(c1ccc(Cl)c(Cl)c1)N(Cc1ccco1)c1ccc(O)cc1
(e) COc1ccccc1NC(=O)c1ccc2c(c1)OCO2
Answer: b. O=C(CCN1C(=O)S/C(=C\c2ccccc2)C1=O)Nc1ccc(O)cc1C(=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#}
O=C(CCN1C(=O)S/C(=C\c2ccccc2)C1=O)Nc1ccc(O)cc1C(=O)O
O=C(CCN1C(=O)S/C(=C\c2ccccc2)C1=O)Nc1ccc(O)cc1C(=O)O
2-[3-[(5Z)-5-benzylidene-2,4-dioxo-1,3-thiazolidin-3-yl]propanoylamino]-5-hydroxybenzoic acid