Task: Answer the MCQ question.
Query: Which drug exhibits a 2.236\% 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. Oc1ccccc1Oc1ncc(Br)c(N2CCOCC2)n1
b. CCOC(=O)C1C(c2cccc([N+](=O)[O-])c2)C2C(=O)NN=C2CC1(C)O
c. CCOC(=O)NC(=O)COC(=O)c1ccc(Sc2ncn[nH]2)c([N+](=O)[O-])c1
d. CC(C)(C)NC[C@@H](O)COc1cccc2c1CCCC2=O.Cl
e. COC(=O)[C@@]1(Cc2ccc(OC)cc2)[C@H]2c3cc(C(=O)N4CCCC4)n(Cc4c(CO)[nH]cc(C)c4=O)c3C[C@H]2CN1C(=O)c1ccccc1
Answer: d. CC(C)(C)NC[C@@H](O)COc1cccc2c1CCCC2=O.Cl
{#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#}
CC(C)(C)NC[C@@H](O)COc1cccc2c1CCCC2=O.Cl
CC(C)(C)NC[C@@H](O)COc1cccc2c1CCCC2=O.Cl
5-[(2R)-3-(tert-butylamino)-2-hydroxypropoxy]-3,4-dihydro-2H-naphthalen-1-one;hydrochloride