Problem statement: Answer the multiple-choice question.
Query: Which compound has a 11.974\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CC1CCN(CCCNC(=O)CCCNC(=O)Cn2cnc3sc4c(c3c2=O)CCCC4)CC1
b: CCn1nnnc1NCc1c(OC)ccc2ccccc12
c: NC(=O)N=Nc1c2[nH]c3ccccc3nc-2c2ccccc12
d: CCOC(=O)c1c(-c2ccccc2)csc1NC(=O)/C(C#N)=C/c1ccc(OC)c(OC)c1
e: Cc1ccc(-n2nc3c(=O)n(CCCC(=O)N4CCCCC4)nc(C)c3c2C)cc1
Answer: c. NC(=O)N=Nc1c2[nH]c3ccccc3nc-2c2ccccc12
{#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)N=Nc1c2[nH]c3ccccc3nc-2c2ccccc12
NC(=O)N=Nc1c2[nH]c3ccccc3nc-2c2ccccc12
10H-indeno[2,3-b]quinoxalin-11-yliminourea