Task: Answer the multiple-choice question.
Question: Which drug has a 6.814\% 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 other words.
Options:
a. O=C(Cc1ccccc1)NCC(=O)N1CCCCCC1
b. O=C(O)CSc1nnc(SCc2cccc3ccccc23)s1
c. CCC(=O)N1CCN(c2ccc(NC(=O)c3ccccc3)cc2)CC1
d. COc1ccccc1NC(=O)Cn1cnc2sc(C)c(S(=O)(=O)N3CCCCC3)c2c1=O
Answer: b. O=C(O)CSc1nnc(SCc2cccc3ccccc23)s1
{#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=C(O)CSc1nnc(SCc2cccc3ccccc23)s1
O=C(O)CSc1nnc(SCc2cccc3ccccc23)s1
2-[[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]sulfanyl]aceticacid