Task: Answer the multiple choice question.
Question: Which drug has a -21.158% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) O=c1oc2cc(O)ccc2c2c1CCCC2
b) Cc1ccc(S(=O)(=O)CC(=O)Nc2ncc([N+](=O)[O-])s2)cc1
c) COc1ccc(N2CCN(C(=O)CCC(=O)NNc3nc4ccccc4c4nc(C)nn34)CC2)cc1
d) CCOC(=O)N1CCN(C(=O)CSc2nnc(-c3cccc(OC)c3)o2)CC1
e) COc1cccc(C(=O)Cn2c(N3CCOCC3)nc3c2c(=O)n(C)c(=O)n3C)c1
Answer: a. O=c1oc2cc(O)ccc2c2c1CCCC2
{#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#}
O=c1oc2cc(O)ccc2c2c1CCCC2
O=c1oc2cc(O)ccc2c2c1CCCC2
3-hydroxy-7,8,9,10-tetrahydrobenzo[c]chromen-6-one