Task: Answer the MCQ question.
Query: Which drug exhibits a 5.174\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(NCc1cccnc1)Nc1ccc([N+](=O)[O-])cc1
b. O=C(COc1ccc([N+](=O)[O-])cc1)Nc1ccccc1C(=O)NC1CC1
c. CCOC(=O)c1c(NC(=O)COc2cccc3c2CCN(C)C3=O)sc2c1CCC2
d. C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](CCCC[NH3+])n3cc(CC(C)O)nn3)CC2)nc(N2CCN(C(=O)[C@H](CCCC[NH3+])n3cc(CC(C)O)nn3)CC2)n1.[Cl-]
Answer: c. CCOC(=O)c1c(NC(=O)COc2cccc3c2CCN(C)C3=O)sc2c1CCC2
{#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)c1c(NC(=O)COc2cccc3c2CCN(C)C3=O)sc2c1CCC2
CCOC(=O)c1c(NC(=O)COc2cccc3c2CCN(C)C3=O)sc2c1CCC2
ethyl 2-[[2-[(2-methyl-1-oxo-3,4-dihydroisoquinolin-5-yl)oxy]acetyl]amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate