Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 5.135\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCOC(=O)c1c(C)oc2c1c(C(c1cccnc1)N1CCCCC1)c(O)c1ccccc12
b CCCCCCC(O)(c1ccc(Br)cc1)C(CNCCCCO)c1ccccc1.Cl
c O=C(O)CCN1c2ccccc2Sc2ccccc21
d CNc1nnc(-c2ccncc2)s1
e COc1ccc(C)cc1NC(=O)c1nnn(CCc2ccccc2)c1N
Answer: d. CNc1nnc(-c2ccncc2)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#}
N-methyl-5-pyridin-4-yl-1,3,4-thiadiazol-2-amine