Task: Answer the multiple choice question.
Query: Which compound exhibits a 0.425\% 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 additional words.
Options:
a. Cc1ccc2c(c1)cc(CN(Cc1ccco1)C(=O)N1CCOCC1)c1nnnn12
b. O=C(CSc1nnc2n1CCCCC2)Nc1ccc(N2CCOCC2)cc1
c. CC1CN(CCCCSc2ccc(Cl)cc2)CC(C)O1.O=C(O)C(=O)O
d. CC[C@@H](CO)C1CC2NC3CC4(c5ccccc5N(C)[C@@H]24)C(O)C31
Answer: d. CC[C@@H](CO)C1CC2NC3CC4(c5ccccc5N(C)[C@@H]24)C(O)C31
{#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@@H](CO)C1CC2NC3CC4(c5ccccc5N(C)[C@@H]24)C(O)C31
CC[C@@H](CO)C1CC2NC3CC4(c5ccccc5N(C)[C@@H]24)C(O)C31
(2R)-14-[(2R)-1-hydroxybutan-2-yl]-3-methyl-3,16-diazapentacyclo[10.3.1.110,13.02,10.04,9]heptadeca-4,6,8-trien-17-ol