Task: Answer the multiple-choice question.
Question: Which compound exhibits a 21.956\% 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 additional words.
Options:
a. COc1ccc(S(=O)(=O)N2CCCCC2)cc1NC(=O)CCCNC(=O)c1ccc(Cl)cc1
b. CCC1CCc2sc(C(=O)NCC(c3ccc(OC)cc3)N3CCOCC3)cc2C1
c. COc1ccccc1N(CC(=O)NCCc1ccccc1)C(=O)CCC(=O)Nc1cc(C)ccn1
Answer: b. CCC1CCc2sc(C(=O)NCC(c3ccc(OC)cc3)N3CCOCC3)cc2C1
{#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#}
CCC1CCc2sc(C(=O)NCC(c3ccc(OC)cc3)N3CCOCC3)cc2C1
CCC1CCc2sc(C(=O)NCC(c3ccc(OC)cc3)N3CCOCC3)cc2C1
5-ethyl-N-[2-(4-methoxyphenyl)-2-morpholin-4-ylethyl]-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxamide