Task: Answer the MCQ question.
Question: Which drug exhibits a 6.416\% human ether-à-go-go related gene (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] COc1ccc2cc3c(N)nn(C(=O)Cc4ccccc4OC)c3nc2c1
[b] CNC(=O)NC(=S)NC(=O)c1ccccc1Cl
[c] Clc1ccc(-n2cccc2CN2CCc3c([nH]c4ccccc34)C2c2ccccn2)nc1
[d] CCOC(=O)c1ccc(NC(=O)NC2CC3CCC(C2)N3Cc2nnnn2Cc2ccco2)cc1
Answer: b. CNC(=O)NC(=S)NC(=O)c1ccccc1Cl
{#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#}
CNC(=O)NC(=S)NC(=O)c1ccccc1Cl
CNC(=O)NC(=S)NC(=O)c1ccccc1Cl
2-chloro-N-(methylcarbamoylcarbamothioyl)benzamide