Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 20.493\% 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) O=C(Nc1ccc2c(c1)OCCO2)c1cncc(Br)c1
b) CC1(CC(=O)Nc2ccccc2)NC(=S)N(c2ccccc2)N1
c) Cc1ccc(-c2cc(C(=O)NCCCN3CCOCC3)c3ccccc3n2)cc1C
d) C=CCc1cc(C)ccc1OCCOCCn1ccnc1.O=C(O)C(=O)O
Answer: b. CC1(CC(=O)Nc2ccccc2)NC(=S)N(c2ccccc2)N1
{#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#}
CC1(CC(=O)Nc2ccccc2)NC(=S)N(c2ccccc2)N1
CC1(CC(=O)Nc2ccccc2)NC(=S)N(c2ccccc2)N1
2-(3-methyl-1-phenyl-5-sulfanylidene-1,2,4-triazolidin-3-yl)-N-phenylacetamide