Problem statement: Answer the multiple choice question.
Query: Which compound has a 3.488\% 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 additional words.
Options:
(a) COC(=O)Nc1sc2c(c1C(=O)NCc1ccco1)CCCC2
(b) CCn1c(SCC(=O)N2CCCC2)nc2c1c(=O)n(C)c(=O)n2C
(c) COc1cc(C(=O)N2CCN(c3cccc(C)c3C)CC2)cc(OC)c1OC
(d) CCCCCCc1nnc(N)s1
Answer: d. CCCCCCc1nnc(N)s1
{#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#}
CCCCCCc1nnc(N)s1
CCCCCCc1nnc(N)s1
[C][C][C][C][C][C][C][=N][N][=C][Branch1][C][N][S][Ring1][=Branch1]
5-hexyl-1,3,4-thiadiazol-2-amine