Problem statement: Answer the MCQ question.
Question: Which compound has a -1.658\% 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] Cn1c(SCC(=O)NCc2cccs2)nnc1-c1ccc(S(=O)(=O)N2CCCC2)cc1
[b] O=C(Cn1nc(-c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)c2ccccc2c1=O)N1CCCCC1
[c] NNC(=O)COc1ccc(C(F)(F)F)cc1
[d] O=C(Cn1c(=O)oc2ccccc21)Nc1nnc(N2CCCCCC2)s1
Answer: a. Cn1c(SCC(=O)NCc2cccs2)nnc1-c1ccc(S(=O)(=O)N2CCCC2)cc1
{#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#}
2-[[4-methyl-5-(4-pyrrolidin-1-ylsulfonylphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(thiophen-2-ylmethyl)acetamide