Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 14.501\% human ether-à-go-go related gene (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) O=[N+]([O-])c1cccc(Oc2cnccn2)c1
b) Cc1cc(=O)oc2cc(NC(=O)CCOc3ccccc3)ccc12
c) O=C(Cn1nnc(-c2ccccc2Cl)n1)N1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1
d) Cc1cc(C)cc(NC(=S)Nc2ccc(Cl)c(Cl)c2)c1
e) Cc1ccc(OCC(O)Cn2c(=N)n(CCN3CCOCC3)c3ccccc32)cc1.Cl
Answer: a. O=[N+]([O-])c1cccc(Oc2cnccn2)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#}
O=[N+]([O-])c1cccc(Oc2cnccn2)c1
O=[N+]([O-])c1cccc(Oc2cnccn2)c1
2-(3-nitrophenoxy)pyrazine