Task: Answer the MCQ question.
Query: Which drug exhibits a 2.511\% 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 other words.
Options:
a CCCCc1ccc(NC(=O)CSC2=NN3CCCC(=O)N=C3S2)cc1
b O=Nc1ccc(NOC(=O)c2ccccc2)cc1
c CCCN(CCC)C(=O)Cn1c(=O)n(CCCCC(=O)NCc2ccco2)c(=O)c2ccccc21
d Cc1nnc(NCc2ccco2)s1
Answer: d. Cc1nnc(NCc2ccco2)s1
{#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#}
Cc1nnc(NCc2ccco2)s1
Cc1nnc(NCc2ccco2)s1
N-(furan-2-ylmethyl)-5-methyl-1,3,4-thiadiazol-2-amine