Task: Answer the MCQ question.
Question: Which drug exhibits a -0.260\% 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) Clc1ccc2[nH]c3c(NCC4CCCO4)ncnc3c2c1
(b) COc1ccccc1OCC(=O)Nc1c2c(nn1-c1ccc(F)cc1)CS(=O)(=O)C2
(c) CN(CC1COc2ccccc2O1)C(=S)Nc1ccccc1
(d) COC(=O)CC1Oc2ccccc2N(Cc2ccccc2)C1=O
Answer: c. CN(CC1COc2ccccc2O1)C(=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#}
CN(CC1COc2ccccc2O1)C(=S)Nc1ccccc1
CN(CC1COc2ccccc2O1)C(=S)Nc1ccccc1
1-(2,3-dihydro-1,4-benzodioxin-3-ylmethyl)-1-methyl-3-phenylthiourea