Task: Answer the MCQ question.
Question: Which drug has a 21.547% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) Cc1ccc2oc(=O)c3cc(C(=O)NCCN4CCc5ccccc5C4)sc3c2c1
b) O=S(=O)(c1cccs1)N1CCN(c2ccc(Cl)cc2)CC1
c) Cn1c(=O)n(Cc2ccco2)c(=N)c2c3c(sc21)CCC3
Answer: b. O=S(=O)(c1cccs1)N1CCN(c2ccc(Cl)cc2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=S(=O)(c1cccs1)N1CCN(c2ccc(Cl)cc2)CC1
O=S(=O)(c1cccs1)N1CCN(c2ccc(Cl)cc2)CC1
1-(4-chlorophenyl)-4-thiophen-2-ylsulfonylpiperazine