Problem statement: Answer the MCQ question.
Question: Which drug has a 13.405\% 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] COC(=O)c1cn(CCOc2ccccc2OC)c2ccccc12
[b] Cc1nn(C(=O)c2nn(C)cc2[N+](=O)[O-])c(C)c1Br
[c] O=C(COc1ccc(Br)cc1Br)NC(=S)Nc1cccc(CO)c1
[d] Cc1cccc(NCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)c1C
Answer: a. COC(=O)c1cn(CCOc2ccccc2OC)c2ccccc12
{#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#}
COC(=O)c1cn(CCOc2ccccc2OC)c2ccccc12
COC(=O)c1cn(CCOc2ccccc2OC)c2ccccc12
methyl 1-[2-(2-methoxyphenoxy)ethyl]indole-3-carboxylate