Task: Answer the MCQ question.
Query: Which compound has a -17.821\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCNC(=S)NC1CC2CCCC(C1)N2CCc1ccccc1
b Cc1ccccc1C(=O)NC1CCSC1=O
Answer: a. CCNC(=S)NC1CC2CCCC(C1)N2CCc1ccccc1
{#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#}
CCNC(=S)NC1CC2CCCC(C1)N2CCc1ccccc1
CCNC(=S)NC1CC2CCCC(C1)N2CCc1ccccc1
1-ethyl-3-[9-(2-phenylethyl)-9-azabicyclo[3.3.1]nonan-3-yl]thiourea