Problem statement: Answer the MCQ question.
Question: Which compound has a 1.649\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCOC(=O)c1c(NC(=O)c2ccn(CC)n2)sc2c1CCC2
b Cc1ccc(NC(=O)N(Cc2ccc3c(c2)OCO3)Cc2cc3cc4c(cc3[nH]c2=O)OCCO4)cc1
c COCCCNC(=S)NC1CCCCC1
d COc1ccc(C(=O)OCC(=O)Nc2cc(C)c(C)cc2[N+](=O)[O-])cc1
e Nc1cccc(CP(=O)(c2ccccc2)c2ccccc2)c1
Answer: c. COCCCNC(=S)NC1CCCCC1
{#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#}
COCCCNC(=S)NC1CCCCC1
COCCCNC(=S)NC1CCCCC1
1-cyclohexyl-3-(3-methoxypropyl)thiourea