Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 3.973\% 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) COc1ccc(OCCCC(=O)Nc2nc(C)c(C(C)=O)s2)cc1
(b) O=C(Nc1nccs1)c1ccc(COc2c(F)c(F)cc(F)c2F)cc1
(c) Cc1ccc(C2NC(c3ccc(C)cc3)C([N+](=O)[O-])C(C)(C)C2[N+](=O)[O-])cc1
(d) COc1ccc2c(c1)c(CC(=O)Nc1ccccc1OC)c(C)n2C(=O)c1ccc(Cl)cc1
Answer: d. COc1ccc2c(c1)c(CC(=O)Nc1ccccc1OC)c(C)n2C(=O)c1ccc(Cl)cc1
{#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#}
COc1ccc2c(c1)c(CC(=O)Nc1ccccc1OC)c(C)n2C(=O)c1ccc(Cl)cc1
COc1ccc2c(c1)c(CC(=O)Nc1ccccc1OC)c(C)n2C(=O)c1ccc(Cl)cc1
2-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-yl]-N-(2-methoxyphenyl)acetamide