Task: Answer the multiple choice question.
Query: Which compound exhibits a 11.492\% 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.) O=C(c1ccc(Br)cc1)N(Cc1nc2ccccc2c(=O)[nH]1)C1CCCC1
b.) CCCCCCCCNC(CO)(CO)CO
c.) CCOC(=O)N1CCN(C(=O)c2c(-c3ccccc3)noc2C)CC1
d.) CCn1c(NC(=O)c2ccccc2)nc2ccccc21
e.) Cc1ccc(S(=O)(=O)NCC(=O)N2CCC(C)CC2)cc1
Answer: b. CCCCCCCCNC(CO)(CO)CO
{#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#}
CCCCCCCCNC(CO)(CO)CO
CCCCCCCCNC(CO)(CO)CO
2-(hydroxymethyl)-2-(octylamino)propane-1,3-diol