Task: Answer the MCQ question.
Question: Which drug has a 6.684\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. C=CCNC(=S)N1CCN(CCN=CC2=C(O)CC(c3ccco3)CC2=O)CC1
b. CCC1(c2ccc(F)cc2)NC(=O)N(CC(=O)NCC(=O)Nc2cccc(C)c2C)C1=O
c. Cc1cc(C)c[n+](CC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1.[Br-]
d. CCCCSc1nnc(CSc2ncccn2)n1C
e. CC(=O)C(C)n1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
Answer: d. CCCCSc1nnc(CSc2ncccn2)n1C
{#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#}
CCCCSc1nnc(CSc2ncccn2)n1C
CCCCSc1nnc(CSc2ncccn2)n1C
2-[(5-butylsulfanyl-4-methyl-1,2,4-triazol-3-yl)methylsulfanyl]pyrimidine