Task: Answer the multiple choice question.
Question: Which compound has a 4.017\% 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) Cl.NCCc1cnc[nH]1
b) CN(C(=O)c1ccccc1Br)C1CCS(=O)(=O)C1
c) COc1ccc(S(=O)(=O)N2CCOC23CCN(S(=O)(=O)c2cc(C)ccc2OC)CC3)cc1
d) CN(C)CCn1c2c(c(SCC(=O)Nc3nccs3)nc1=O)CCCC2
Answer: b. CN(C(=O)c1ccccc1Br)C1CCS(=O)(=O)C1
{#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(C(=O)c1ccccc1Br)C1CCS(=O)(=O)C1
CN(C(=O)c1ccccc1Br)C1CCS(=O)(=O)C1
2-bromo-N-(1,1-dioxothiolan-3-yl)-N-methylbenzamide