Task: Answer the multiple choice question.
Query: Which compound has a 6.653\% 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, c, or d without using any other words.
Options:
(a) O=C1/C(=C/c2cccnc2)CCC/C1=C\c1cccnc1
(b) O=C(NCC1CCCO1)c1cc2c(s1)CCC2
(c) CCNC(=O)c1nc[nH]c1C(=O)NCC
(d) CCCCc1nc2sc3c(c2c(=O)n1NC(=O)c1ccco1)CC(C)(C)OC3
Answer: c. CCNC(=O)c1nc[nH]c1C(=O)NCC
{#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#}
CCNC(=O)c1nc[nH]c1C(=O)NCC
CCNC(=O)c1nc[nH]c1C(=O)NCC
4-N,5-N-diethyl-1H-imidazole-4,5-dicarboxamide