Task: Answer the multiple-choice question.
Query: Which compound has a 3.195\% 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, or c without using any other words.
Options:
a Cn1c(NCC(O)c2ccccc2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
b O=C1CCCCC1Sc1ccc(Cl)cc1[N+](=O)[O-]
c Cc1cc(N2CCN(c3ccccn3)CC2)n2cc(-c3ccccc3)nc2n1
Answer: a. Cn1c(NCC(O)c2ccccc2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
{#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#}
Cn1c(NCC(O)c2ccccc2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
Cn1c(NCC(O)c2ccccc2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
1-[(4-chlorophenyl)methyl]-8-[(2-hydroxy-2-phenylethyl)amino]-3,7-dimethylpurine-2,6-dione