Problem statement: Answer the MCQ question.
Query: Which compound has a 7.155\% 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) CCCCCN1C(=O)Cn2c(nc3ccccc3c2=O)C1C
b) O=C(N/N=C/c1c[nH]c2ccccc12)c1cc(Br)ccc1O
c) CCN(CC)CC(=O)N1c2ccccc2Sc2ccccc21
d) CCOc1cc2[nH]c(=S)n(Cc3ccc(C)o3)c(=O)c2cc1OCC
Answer: a. CCCCCN1C(=O)Cn2c(nc3ccccc3c2=O)C1C
{#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#}
CCCCCN1C(=O)Cn2c(nc3ccccc3c2=O)C1C
CCCCCN1C(=O)Cn2c(nc3ccccc3c2=O)C1C
1-methyl-2-pentyl-1,4-dihydropyrazino[2,1-b]quinazoline-3,6-dione