Task: Answer the MCQ question.
Query: Which drug exhibits a 5.527\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. N#Cc1ccc(S(=O)(=O)NC2CCCCNC2=O)cc1
b. Cl.N=C(N)N1CCc2ccccc21
c. COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1cc2ccc(C)cc2[nH]c1=O
d. CCN(CC)c1nc2n(c(=S)n1)CCS2
Answer: b. Cl.N=C(N)N1CCc2ccccc21
{#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#}
Cl.N=C(N)N1CCc2ccccc21
Cl.N=C(N)N1CCc2ccccc21
2,3-dihydroindole-1-carboximidamide;hydrochloride