Task: Answer the multiple-choice question.
Query: Which drug has a -6.689\% 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(CSc1nc2ccccc2[nH]1)NC(=O)NCc1ccco1
b. CCc1ccc(OCCCN=C(C)c2c(O)n(C)c(=O)n(C)c2=O)cc1
c. COCCOC(=O)CC1=NC(=O)CS1
d. Cc1ccc2[nH]c(CN3CCN(C)C(CCO)C3)c(C)c2c1
Answer: b. CCc1ccc(OCCCN=C(C)c2c(O)n(C)c(=O)n(C)c2=O)cc1
{#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#}
CCc1ccc(OCCCN=C(C)c2c(O)n(C)c(=O)n(C)c2=O)cc1
CCc1ccc(OCCCN=C(C)c2c(O)n(C)c(=O)n(C)c2=O)cc1
5-[N-[3-(4-ethylphenoxy)propyl]-C-methylcarbonimidoyl]-6-hydroxy-1,3-dimethylpyrimidine-2,4-dione