Task: Answer the MCQ question.
Question: Which drug exhibits a -63.863\% 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 additional words.
Options:
(a) Cc1nc(N2CCCCC2)nc(N2CCCCC2)c1C=O
(b) Cc1ccc(C(OCC(O)CNC(C)c2ccccc2)c2ccccc2)cc1
(c) C/C(=N\NC(=O)CSCc1cccc(Br)c1)c1ccc([N+](=O)[O-])cc1
(d) Cc1cccc(N2CCN(CC(O)COCc3cccs3)CC2)c1C
Answer: d. Cc1cccc(N2CCN(CC(O)COCc3cccs3)CC2)c1C
{#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#}
Cc1cccc(N2CCN(CC(O)COCc3cccs3)CC2)c1C
Cc1cccc(N2CCN(CC(O)COCc3cccs3)CC2)c1C
1-[4-(2,3-dimethylphenyl)piperazin-1-yl]-3-(thiophen-2-ylmethoxy)propan-2-ol