Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 8.421\% 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 other words.
Options:
a COc1nc(N(c2ccccc2)c2ccccc2)nc(-n2ccnc2)n1
b Cc1ccc(-c2nnn(CC(=O)N(c3ccccc3F)C(C(=O)NC3CCCC3)c3ccco3)n2)o1
c Cc1ccc(SC[C@H](Cc2ccccc2)N2CC[C@@H](NC(=O)OCc3ccccc3)CCC2=O)cc1
d COc1ccc(C2c3[nH]c4ccccc4c3CCN2Cc2cccn2-c2ncccn2)cc1C
e O=C(Nc1cccc(O)c1)c1cccc(C(=O)Nc2cccc(O)c2)c1
Answer: d. COc1ccc(C2c3[nH]c4ccccc4c3CCN2Cc2cccn2-c2ncccn2)cc1C
{#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#}
1-(4-methoxy-3-methylphenyl)-2-[(1-pyrimidin-2-ylpyrrol-2-yl)methyl]-1,3,4,9-tetrahydropyrido[3,4-b]indole