Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.011\% 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] N#Cc1ccc(C(=O)NCC(c2ccco2)N2CCCC2)cc1
[b] Fc1ccccc1CSc1nc2ccccc2[nH]1
[c] Cc1cc(C)nc(SC2=CS(=O)(=O)c3ccccc32)n1
[d] CCCCCCC(=O)N1CCN(c2cc3c(cc2F)c(=O)c(C(=O)O)cn3CC)CC1
Answer: a. N#Cc1ccc(C(=O)NCC(c2ccco2)N2CCCC2)cc1
{#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#}
4-cyano-N-[2-(furan-2-yl)-2-pyrrolidin-1-ylethyl]benzamide