Task: Answer the MCQ question.
Question: Which drug has a 15.450\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=C(c1ccsc1)N1CCCC(N2CCN(c3cccc(C(F)(F)F)c3)CC2)C1
b. O=C(O)c1cc2c(s1)-c1ccccc1OC2
c. O=C(N/N=C/c1ccc[nH]1)c1ccccc1OCc1ccccc1Cl
d. CC(C)Oc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)C1CCCCC1
e. C/C(=N/NC(=O)c1ccc(Br)o1)c1cccc(NC(=O)c2ccc(C)o2)c1
Answer: b. O=C(O)c1cc2c(s1)-c1ccccc1OC2
{#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)c1cc2c(s1)-c1ccccc1OC2
O=C(O)c1cc2c(s1)-c1ccccc1OC2
4H-thieno[3,2-c]chromene-2-carboxylic acid