Task: Answer the multiple choice question.
Question: Which compound has a 9.694\% 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. O=C(O)C(=O)O.c1ccc(CNCCc2ccc3c(c2)OCO3)nc1
b. O=C(CCc1ccccc1)NCC(=O)N/N=C/c1ccc(O)cc1O
c. COc1ccc(S(=O)(=O)N2CCN(CC(O)CN3CCOCC3)CC2)cc1
d. CCOC(=O)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1
Answer: d. CCOC(=O)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1
{#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#}
CCOC(=O)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1
CCOC(=O)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1
ethyl 4-(4-bromophenyl)sulfonylpiperazine-1-carboxylate