Task: Answer the MCQ question.
Question: Which compound has a 4.669\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a NC(=O)c1cccc2ccccc12
b O=C1c2ccccc2C(=O)c2[nH]cnc21
c CC(=O)N1CCN(Cc2nc3cc(NC(=O)COc4ccccc4)ccc3n2C)CC1.Cl
d CCOc1ccc2nc(SC3CC(=O)N(c4ccc(OC)cc4)C3=O)sc2c1
e Cn1c(SCC(=O)NCc2ccc3c(c2)OCO3)nc2c(c1=O)SCC2
Answer: a. NC(=O)c1cccc2ccccc12
{#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#}
NC(=O)c1cccc2ccccc12
NC(=O)c1cccc2ccccc12
naphthalene-1-carboxamide