Task: Answer the multiple-choice question.
Question: Which drug has a 24.258% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccccc1Sc1nc(-c2ccccc2)ncc1OC
b. O=C(NCC(O)c1ccccc1)c1ccc(Cl)c(S(=O)(=O)N2CCCCC2)c1
c. COC(=O)Nc1sc2c(c1C(=O)NC1CC1)CCCCCC2
d. O=C1OCCC1Sc1nc2ccccc2n1Cc1ccccc1
Answer: a. COc1ccccc1Sc1nc(-c2ccccc2)ncc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccccc1Sc1nc(-c2ccccc2)ncc1OC
COc1ccccc1Sc1nc(-c2ccccc2)ncc1OC
5-methoxy-4-(2-methoxyphenyl)sulfanyl-2-phenylpyrimidine