Problem statement: Answer the multiple-choice question.
Question: Which compound has a 4.331\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) C=C(C)Cn1c(CCCNC(=O)c2ccco2)nc2ccccc21
(b) COc1ccc(COC(=O)c2nc3nc(C)cc(C)n3n2)cc1F
(c) O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccc(Cl)cc1
(d) O=C(c1cccc(S(=O)(=O)Nc2ccccc2Cl)c1)N1CCN(c2ccccc2O)CC1
Answer: c. O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccc(Cl)cc1
{#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(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccc(Cl)cc1
O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccc(Cl)cc1
(E)-N-[(4-chlorophenyl)methyl]-3-(2-nitrophenyl)prop-2-enamide