Task: Answer the multiple-choice question.
Question: Which drug exhibits a 10.237\% human ether-à-go-go related gene (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] CN1CCN(S(=O)(=O)c2cnccc2N2CCN(c3cccc(Cl)c3)CC2)CC1
[b] CCn1c(-c2ccccc2)c(C(=O)O)c2ccccc21
[c] Br.Cn1c(=N)n(CC(=O)c2ccc(Br)cc2)c2ccccc21
[d] C=CCNC(=O)c1onc(CSc2cc(C)ccc2C)c1C(=O)O
Answer: b. CCn1c(-c2ccccc2)c(C(=O)O)c2ccccc21
{#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#}
CCn1c(-c2ccccc2)c(C(=O)O)c2ccccc21
CCn1c(-c2ccccc2)c(C(=O)O)c2ccccc21
1-ethyl-2-phenylindole-3-carboxylic acid