Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.247\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) C=CCSc1nc2[nH]ncc2c(=O)[nH]1
(b) CCOc1ccc(Cl)cc1CNCCCSc1ncccn1
(c) Cc1ccc2c(c1)oc(=O)n2CC(=O)c1ccccc1
Answer: b. CCOc1ccc(Cl)cc1CNCCCSc1ncccn1
{#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#}
CCOc1ccc(Cl)cc1CNCCCSc1ncccn1
CCOc1ccc(Cl)cc1CNCCCSc1ncccn1
N-[(5-chloro-2-ethoxyphenyl)methyl]-3-pyrimidin-2-ylsulfanylpropan-1-amine