Task: Answer the multiple-choice question.
Query: Which drug has a 0.127\% 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: CCCCN(C)CCNC(=O)C1CCN(S(=O)(=O)c2cccc3nsnc23)CC1
b: COc1ccc(N2CCN(C(=O)CCCn3c(=O)c4cccn4c4cccnc43)CC2)cc1
c: Nc1c(C(=O)Nc2ccccc2)nnn1-c1ccc2c(c1)OCCO2
d: CC1Cc2cc(S(=O)(=O)NCCC(=O)NCc3ccc(F)cc3)ccc2N1C(=O)C1CC1
Answer: b. COc1ccc(N2CCN(C(=O)CCCn3c(=O)c4cccn4c4cccnc43)CC2)cc1
{#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#}
COc1ccc(N2CCN(C(=O)CCCn3c(=O)c4cccn4c4cccnc43)CC2)cc1
COc1ccc(N2CCN(C(=O)CCCn3c(=O)c4cccn4c4cccnc43)CC2)cc1
8-[4-[4-(4-methoxyphenyl)piperazin-1-yl]-4-oxobutyl]-2,8,10-triazatricyclo[7.4.0.02,6]trideca-1(9),3,5,10,12-pentaen-7-one