Task: Answer the multiple-choice question.
Question: Which drug has a 6.479\% 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) Cc1ccc(NC(=S)NN2CCN(C)CC2)c(C)c1
b) CCN(CC)c1ccc2cc(C(N)=O)/c(=N\NC(=O)c3ccncc3)oc2c1
c) CNC(=O)c1[nH]cnc1C(=O)Nc1ccccc1OC
d) COc1ccc(N(C)C(=O)C2CCN(S(=O)(=O)c3cccc4nsnc34)CC2)cc1
Answer: c. CNC(=O)c1[nH]cnc1C(=O)Nc1ccccc1OC
{#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)c1[nH]cnc1C(=O)Nc1ccccc1OC
CNC(=O)c1[nH]cnc1C(=O)Nc1ccccc1OC
4-N-(2-methoxyphenyl)-5-N-methyl-1H-imidazole-4,5-dicarboxamide