Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -12.623% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=c1oc2ccccc2cc1-c1nc2ccccc2o1
b) CCCn1c(=S)[nH]c2cc(C(=O)N3CCc4ccccc43)ccc2c1=O
c) O=C(Nc1ccccc1)O/N=C1\CCCCC1c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
d) CCOC(=O)CSc1nc(C(C)(C)C)nc2ccccc12
Answer: a. O=c1oc2ccccc2cc1-c1nc2ccccc2o1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1oc2ccccc2cc1-c1nc2ccccc2o1
O=c1oc2ccccc2cc1-c1nc2ccccc2o1
3-(1,3-benzoxazol-2-yl)chromen-2-one