Problem statement: Answer the multiple choice question.
Query: Which drug has a 3.506\% 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.) CCN1CCN(c2cc(C)c3cc(NC(=O)c4cncc(Br)c4)ccc3n2)CC1
b.) CCCn1nnnc1NCc1cccn1C
c.) CC(C)OC(=O)CC1C(=O)NCCN1C(=S)NC(=O)c1ccccc1Cl
Answer: b. CCCn1nnnc1NCc1cccn1C
{#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#}
CCCn1nnnc1NCc1cccn1C
CCCn1nnnc1NCc1cccn1C
N-[(1-methylpyrrol-2-yl)methyl]-4-propyltetrazol-5-amine