Task: Answer the MCQ question.
Query: Which drug exhibits a -1.855\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CC1(C)CC2CC(C)(CN2c2ncnc3ccccc23)C1
[b] CCOC(=O)c1c(NC(=O)CN2CCOCC2)sc2c1CC(C)(C)OC2
[c] CCn1cc(C(=O)N2CCc3ccccc32)c(=O)c2cc(S(=O)(=O)N3CCCCCC3)ccc21
Answer: a. CC1(C)CC2CC(C)(CN2c2ncnc3ccccc23)C1
{#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#}
CC1(C)CC2CC(C)(CN2c2ncnc3ccccc23)C1
CC1(C)CC2CC(C)(CN2c2ncnc3ccccc23)C1
4-(1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl)quinazoline