Problem statement: Answer the multiple choice question.
Question: Which drug has a -6.648\% 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 additional words.
Options:
a. O=C1c2cnc3ncnn3c2CC2c3ccccc3CCN12
b. Cc1cn(C2OC(COC(=O)c3ccccc3)C(OC(=O)c3ccccc3)C2OC(=O)c2ccccc2)c(=O)[nH]c1=O
c. COc1ccccc1C(=O)Nc1ccnn1C1CCN(CC2CC=CCC2)CC1
d. CCCn1c(SCC(=O)NC2CC2)nnc1-c1cccs1
Answer: a. O=C1c2cnc3ncnn3c2CC2c3ccccc3CCN12
{#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#}
O=C1c2cnc3ncnn3c2CC2c3ccccc3CCN12
O=C1c2cnc3ncnn3c2CC2c3ccccc3CCN12
4,5,7,9,13-pentazapentacyclo[11.8.0.03,11.04,8.016,21]henicosa-3(11),5,7,9,16,18,20-heptaen-12-one