Problem statement: Answer the MCQ question.
Query: Which drug has a -1.620\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCCCc1cc(=O)oc2cc(OS(C)(=O)=O)ccc12
b N#Cc1cccc(S(=O)(=O)NCC(=O)NCCCc2ccccc2)c1
Answer: a. CCCCc1cc(=O)oc2cc(OS(C)(=O)=O)ccc12
{#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#}
CCCCc1cc(=O)oc2cc(OS(C)(=O)=O)ccc12
CCCCc1cc(=O)oc2cc(OS(C)(=O)=O)ccc12
(4-butyl-2-oxochromen-7-yl) methanesulfonate