Problem statement: Answer the MCQ question.
Query: Which compound has a 15.695\% 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) O=c1c2ccccc2ncn1Cc1ccc(Cl)c(Cl)c1
b) COc1cccc2c(O)c(-c3ccccc3)c(=O)[nH]c12
c) Cc1ccc2sc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N(C)C4CCCCC4)cc3)nc2c1C.Cl
d) Cc1nn(-c2ccc(F)cc2)c(Cl)c1C(=O)NCC1CCCO1
Answer: b. COc1cccc2c(O)c(-c3ccccc3)c(=O)[nH]c12
{#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#}
COc1cccc2c(O)c(-c3ccccc3)c(=O)[nH]c12
COc1cccc2c(O)c(-c3ccccc3)c(=O)[nH]c12
4-hydroxy-8-methoxy-3-phenyl-1H-quinolin-2-one