Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 2.402\% 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 c1cn(-c2ncnc3sc4c(c23)CCCC4)cn1
b COc1ccc(CNC(=O)CCCn2nc(C)n3ccnc3c2=O)cc1
Answer: a. c1cn(-c2ncnc3sc4c(c23)CCCC4)cn1
{#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#}
c1cn(-c2ncnc3sc4c(c23)CCCC4)cn1
c1cn(-c2ncnc3sc4c(c23)CCCC4)cn1
4-imidazol-1-yl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine