Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.577\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) CNc1ccc(S(=O)(=O)NCC(=O)OC(C)C(=O)N(C)Cc2ccccc2)cc1[N+](=O)[O-]
b.) CCCc1nc(Cl)c(C#N)c2c1CCCC2
c.) S=C(N/N=C/c1ccc2c(c1)OCO2)NC1CC2CCC1C2
d.) Cn1c(N)c(C(=O)COC(=O)C2CCCCC2)c(=O)n(C)c1=O
e.) COc1ccc(OC(=O)COc2ccc(C)cc2)cc1
Answer: b. CCCc1nc(Cl)c(C#N)c2c1CCCC2
{#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#}
CCCc1nc(Cl)c(C#N)c2c1CCCC2
CCCc1nc(Cl)c(C#N)c2c1CCCC2
3-chloro-1-propyl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile