Task: Answer the MCQ question.
Query: Which compound exhibits a -1.916\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Cc1cccc(N2CCN(Cc3oc(CO)cc(=O)c3O)CC2)c1C
b CCNC(=S)N1CCN(c2nc(CC)nc3sc4c(c23)CCCC4)CC1
c O=C(NNc1c(Cl)cccc1Cl)C1CCC1
d CC(=O)Nc1ccc(S(=O)(=O)N2CCN(c3ccc([N+](=O)[O-])c(NCCN4CCOCC4)c3)CC2)cc1
Answer: b. CCNC(=S)N1CCN(c2nc(CC)nc3sc4c(c23)CCCC4)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#}
CCNC(=S)N1CCN(c2nc(CC)nc3sc4c(c23)CCCC4)CC1
CCNC(=S)N1CCN(c2nc(CC)nc3sc4c(c23)CCCC4)CC1
N-ethyl-4-(2-ethyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)piperazine-1-carbothioamide