Task: Answer the MCQ question.
Query: Which compound has a -4.359\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=c1[nH]cnc2ccc([N+](=O)[O-])cc12
b: C/C(=N\NC(=S)NC1CCCCC1)c1ccc(O)cc1
c: O=c1oc2ccccc2c(O)c1C(c1ccccn1)c1c(O)c2ccccc2oc1=O
d: O=C(NNC(=O)[C@@H]1CCCC[C@@H]1C(=O)O)Nc1ccccc1
Answer: b. C/C(=N\NC(=S)NC1CCCCC1)c1ccc(O)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#}
C/C(=N\NC(=S)NC1CCCCC1)c1ccc(O)cc1
C/C(=N\NC(=S)NC1CCCCC1)c1ccc(O)cc1
1-cyclohexyl-3-[(E)-1-(4-hydroxyphenyl)ethylideneamino]thiourea