Task: Answer the MCQ question.
Query: Which compound has a 19.385\% 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=S(=O)(c1ccccc1)c1cnc(-c2cccnc2)nc1-c1ccccc1
b) CS(=O)(=O)N1CCN(C(=O)Cc2cccs2)CC1
c) CC1(C)C2CCC1(CS(=O)(=O)N1CCN(c3ccc(F)cc3)CC1)C(=O)C2
d) CC(C)CC(=O)N1CCN(CC2CC=CCC2)CC1.O=C(O)C(=O)O
Answer: b. CS(=O)(=O)N1CCN(C(=O)Cc2cccs2)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#}
CS(=O)(=O)N1CCN(C(=O)Cc2cccs2)CC1
CS(=O)(=O)N1CCN(C(=O)Cc2cccs2)CC1
1-(4-methylsulfonylpiperazin-1-yl)-2-thiophen-2-ylethanone