Task: Answer the multiple-choice question.
Question: Which drug has a -2.127\% human ether-à-go-go related gene (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 additional words.
Options:
a O=C(NN1CC(=O)N(c2cc(Cl)cc(Cl)c2)CC1=O)c1cccs1
b Cc1ccc(NC(=O)Cn2ccsc2=N)c([N+](=O)[O-])c1.Cl
c CC1CCN(C(=O)C2CCN(CCCc3ccccc3)CC2)CC1.O=C(O)C(=O)O
d O=C(CSC1=NCCS1)N1CCN(c2ccccc2)CC1
Answer: d. O=C(CSC1=NCCS1)N1CCN(c2ccccc2)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#}
O=C(CSC1=NCCS1)N1CCN(c2ccccc2)CC1
O=C(CSC1=NCCS1)N1CCN(c2ccccc2)CC1
2-(4,5-dihydro-1,3-thiazol-2-ylsulfanyl)-1-(4-phenylpiperazin-1-yl)ethanone