Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 13.445\% 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] CCOC(=O)CSc1nnc(N)s1
[b] BrCCc1ccccc1
[c] O=C(c1cc(COc2ccc(F)cc2Cl)on1)N1CCCC(OCc2cccnc2)C1
[d] CNC(=O)CSc1nnc(-c2cccc(S(=O)(=O)N3CCOCC3)c2)n1-c1ccc(F)cc1
Answer: a. CCOC(=O)CSc1nnc(N)s1
{#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#}
CCOC(=O)CSc1nnc(N)s1
CCOC(=O)CSc1nnc(N)s1
[C][C][O][C][=Branch1][C][=O][C][S][C][=N][N][=C][Branch1][C][N][S][Ring1][=Branch1]
ethyl 2-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanyl]acetate