Problem statement: Answer the multiple-choice question.
Query: Which drug has a 1.647\% 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) CCOc1ccc(-n2nc3c(=S)[nH]nc(C)c3c2C)cc1
(b) Oc1ccccc1C1=Nc2nc3ccccc3n2C(c2ccccc2)C1
(c) C/C(=N\NC(N)=S)C1C2C3CC4C5CC(C42)C1C53
(d) CCOc1cc(-c2nc(-c3ccncc3)no2)cc(OCC)c1OCC
Answer: c. C/C(=N\NC(N)=S)C1C2C3CC4C5CC(C42)C1C53
{#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#}
C/C(=N\NC(N)=S)C1C2C3CC4C5CC(C42)C1C53
C/C(=N\NC(N)=S)C1C2C3CC4C5CC(C42)C1C53
[(E)-1-(4-pentacyclo[6.3.0.02,6.03,10.05,9]undecanyl)ethylideneamino]thiourea