Problem statement: Answer the multiple choice question.
Question: Which drug has a 14.249\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CN(C(=O)c1ccc(OC2CCN(CCc3ccccc3)CC2)cc1)C1CCOCC1
(b) O=C(O)C(S)C(S)C(=O)O
(c) Cc1ccc(CCC(=O)Nc2ncc(Cc3cccc(Cl)c3Cl)s2)o1
(d) Cc1ccc(C(=O)N/C(=C/c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)C(=O)NCCCN(C)C)cc1
Answer: b. O=C(O)C(S)C(S)C(=O)O
{#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)C(S)C(S)C(=O)O
O=C(O)C(S)C(S)C(=O)O
2,3-bis(sulfanyl)butanedioicacid