Task: Answer the MCQ question.
Question: Which drug has a 16.575\% 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] O=C(CSc1cccc2cccnc12)Nc1cccc(S(=O)(=O)N2CCOCC2)c1
[b] Cc1nc(=O)c(-c2ccccc2)c(C)n1-c1ccccc1
[c] CC(=O)c1ccc(NS(=O)(=O)c2ccc3c(c2)N(C)CCO3)cc1
[d] COC(=O)c1ccc(N2CCN(C)CC2)c([N+](=O)[O-])c1
Answer: b. Cc1nc(=O)c(-c2ccccc2)c(C)n1-c1ccccc1
{#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#}
Cc1nc(=O)c(-c2ccccc2)c(C)n1-c1ccccc1
Cc1nc(=O)c(-c2ccccc2)c(C)n1-c1ccccc1
2,6-dimethyl-1,5-diphenylpyrimidin-4-one