Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 1.840\% 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) O=C(OCc1cc2ccccc2[nH]c1=O)c1cccc([N+](=O)[O-])c1
(b) CCCc1cc(=O)oc2cc(OC(C)C(=O)NCc3ccccn3)c(Cl)cc12
(c) COc1cc2c(cc1OC)CN(c1ccc(C(F)(F)F)cn1)CC2
(d) Cc1ccccc1OCC(=O)NCC(=O)OCC(=O)c1ccc([N+](=O)[O-])cc1
(e) Cc1ccc(C2Oc3ccccc3C3=C2C(c2cccs2)n2ncnc2N3)cc1
Answer: a. O=C(OCc1cc2ccccc2[nH]c1=O)c1cccc([N+](=O)[O-])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=C(OCc1cc2ccccc2[nH]c1=O)c1cccc([N+](=O)[O-])c1
O=C(OCc1cc2ccccc2[nH]c1=O)c1cccc([N+](=O)[O-])c1
(2-oxo-1H-quinolin-3-yl)methyl 3-nitrobenzoate