Task: Answer the MCQ question.
Question: Which drug exhibits a 1.892\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Cn1c(=O)[nH]c(=O)c2c1nc(CN1CCOCC1)n2CCCc1ccccc1
(b) COC(=O)C1=C(C)N(C(C)C)C(=O)C1(NC(=O)C1CCCCC1)C(F)(F)F
(c) O=C(Nc1ccccc1)N1CC=C(c2ccccc2)CC1
(d) CCc1cccc(NC(=O)Cn2cc3c(n2)CCCC3)c1
(e) CCOC(=O)c1sc(NC(=O)CCN2CCOCC2)c(C(=O)OCC)c1C
Answer: b. COC(=O)C1=C(C)N(C(C)C)C(=O)C1(NC(=O)C1CCCCC1)C(F)(F)F
{#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#}
COC(=O)C1=C(C)N(C(C)C)C(=O)C1(NC(=O)C1CCCCC1)C(F)(F)F
COC(=O)C1=C(C)N(C(C)C)C(=O)C1(NC(=O)C1CCCCC1)C(F)(F)F
methyl 4-(cyclohexanecarbonylamino)-2-methyl-5-oxo-1-propan-2-yl-4-(trifluoromethyl)pyrrole-3-carboxylate