Problem statement: Answer the MCQ question.
Question: Which drug has a 19.450\% 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: CCCCNC(=O)N1CCN(C(=O)c2ccco2)CC1
b: O=C(O)c1nsc(Cl)c1Cl
c: C/C(N)=C(/C#N)C(=O)CSc1nc2cc(Cl)ccc2c(=O)n1Cc1ccco1
d: CCCN1CCC(=O)N([C@H](CSc2ccccc2)c2ccccc2)CC1
e: O=[N+]([O-])c1cc(Cl)ccc1NCCc1ccccn1
Answer: b. O=C(O)c1nsc(Cl)c1Cl
{#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(O)c1nsc(Cl)c1Cl
O=C(O)c1nsc(Cl)c1Cl
4,5-dichloro-1,2-thiazole-3-carboxylicacid