Task: Answer the MCQ question.
Question: Which compound has a -63.756\% 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) CC(C)C(=O)NC(=S)Nc1ccc(S(=O)(=O)N2CCN(C)CC2)cc1
(b) CN1CC(=O)N(CC(=O)NCc2ccc(F)cc2)c2ccccc2C1=O
(c) OC(CNCc1ccccc1Cl)C(F)(F)F
(d) CC(NC(=O)C1CCCN(S(=O)(=O)c2cccs2)C1)c1ccccc1
(e) O=C(/C=C/c1ccc([N+](=O)[O-])cc1)N1CCN(Cc2ccccc2)CC1
Answer: e. O=C(/C=C/c1ccc([N+](=O)[O-])cc1)N1CCN(Cc2ccccc2)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/c1ccc([N+](=O)[O-])cc1)N1CCN(Cc2ccccc2)CC1
O=C(/C=C/c1ccc([N+](=O)[O-])cc1)N1CCN(Cc2ccccc2)CC1
(E)-1-(4-benzylpiperazin-1-yl)-3-(4-nitrophenyl)prop-2-en-1-one