Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 5.043\% 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 other words.
Options:
a.) C=CCSc1nnc(NC(=O)C2CC(=O)N(Cc3ccc(C)cc3)C2)s1
b.) COc1nc(-c2ccccc2)c2cc(Br)ccc2n1
c.) N#C/C(=C\c1ccc(Cl)cc1)c1nc(-c2ccco2)cs1
d.) COCCOc1cc(N(CC(=O)N(C)C)S(=O)(=O)c2ccccc2)c(Cl)cc1Cl
e.) Cc1ccccc1CN1CCNC(=O)C1CC(=O)NCCC1=CCCCC1
Answer: b. COc1nc(-c2ccccc2)c2cc(Br)ccc2n1
{#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#}
COc1nc(-c2ccccc2)c2cc(Br)ccc2n1
COc1nc(-c2ccccc2)c2cc(Br)ccc2n1
6-bromo-2-methoxy-4-phenylquinazoline