Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 1.967\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COc1ccc(C(=O)NC2CC3CCCC(C2)N3Cc2ccccc2)c(OC)c1
b CCOCCCn1c(-c2ccc(Cl)cc2)n[nH]c1=S
c CC1=C[C@H]2[C@@H]3C(=O)N(c4ccc5c(c4)OCO5)C(=O)[C@@H]3[C@H](C(=O)c3ccccc3)N2c2ccc(Cl)cc21
d COc1ccc(S(=O)(=O)Nc2ccccn2)cc1
e COC(=O)c1cc(Cl)c(NC(=O)Cc2ccccc2)cc1OC
Answer: b. CCOCCCn1c(-c2ccc(Cl)cc2)n[nH]c1=S
{#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#}
CCOCCCn1c(-c2ccc(Cl)cc2)n[nH]c1=S
CCOCCCn1c(-c2ccc(Cl)cc2)n[nH]c1=S
3-(4-chlorophenyl)-4-(3-ethoxypropyl)-1H-1,2,4-triazole-5-thione