Problem statement: Answer the multiple choice question.
Query: Which compound has a 2.528\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) c1csc(CNc2ncnc3nc[nH]c23)c1
b) COc1ccccc1-n1c(-c2cc(-c3ccco3)[nH]n2)n[nH]c1=S
c) COc1ccccc1CNC(=O)CSc1ccsc1[N+](=O)[O-]
d) O=C(NCC1CCCO1)c1cc(-c2ccc(F)cc2)no1
e) Cc1cc(=O)oc2cc(OCC(=O)N3CCC(C(N)=O)CC3)ccc12
Answer: a. c1csc(CNc2ncnc3nc[nH]c23)c1
{#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#}
c1csc(CNc2ncnc3nc[nH]c23)c1
c1csc(CNc2ncnc3nc[nH]c23)c1
N-(thiophen-2-ylmethyl)-7H-purin-6-amine