Task: Answer the MCQ question.
Question: Which compound has a 0.181\% 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 other words.
Options:
a. O=C(O)/C=C/c1ccc(O)cc1
b. CCCN1CNc2c(c(=O)[nH]c(=S)n2-c2ccccc2Cl)C1
c. Cc1cccc(C(C)(C)C)c1OCCn1ccnc1
d. Cc1ccc(N(C(=O)C2CCCO2)C2C=CS(=O)(=O)C2)cc1Cl
Answer: a. O=C(O)/C=C/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#}
O=C(O)/C=C/c1ccc(O)cc1
O=C(O)/C=C/c1ccc(O)cc1
[O][=C][Branch1][C][O][/C][=C][/C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1]
(E)-3-(4-hydroxyphenyl)prop-2-enoic acid