Task: Answer the MCQ question.
Query: Which drug exhibits a -19.901\% 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. Cn1nnnc1SCC(=O)Nc1nn(-c2ccccc2)nc1C(N)=O
b. COc1ccc(CNC(=O)[C@@H](NC(=O)C2CCN(C(=O)[C@@H](N)CCSC)CC2)C(C)C)cc1
c. Cc1cccc(-n2c(SCC(=O)Nc3cccc(S(=O)(=O)NC4=NCCCCC4)c3)nc3ccccc3c2=O)c1C
d. CCCN1CCN(CCCNC(=O)C(CC)n2nc(C)c3sc4ccccc4c3c2=O)CC1
Answer: d. CCCN1CCN(CCCNC(=O)C(CC)n2nc(C)c3sc4ccccc4c3c2=O)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#}
CCCN1CCN(CCCNC(=O)C(CC)n2nc(C)c3sc4ccccc4c3c2=O)CC1
CCCN1CCN(CCCNC(=O)C(CC)n2nc(C)c3sc4ccccc4c3c2=O)CC1
2-(4-methyl-1-oxo-[1]benzothiolo[2,3-d]pyridazin-2-yl)-N-[3-(4-propylpiperazin-1-yl)propyl]butanamide