Problem statement: Answer the MCQ question.
Query: Which compound has a 4.735\% 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 other words.
Options:
(a) O=C(O)CC1OCC=C2CN3CCC45c6ccccc6NC4C1C2CC35
(b) CCOC(=O)CCNC(=O)c1ccccc1Br
(c) CCn1c(COc2ccc(Cl)c(C)c2)nnc1SCC(=O)N1CCCC1
(d) Cc1cc(C)n(/N=C/c2cc(Cl)cc(Cl)c2O)c(=O)c1
Answer: a. O=C(O)CC1OCC=C2CN3CCC45c6ccccc6NC4C1C2CC35
{#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#}
2-(15-oxa-1,11-diazahexacyclo[16.3.1.04,12.04,21.05,10.013,19]docosa-5,7,9,17-tetraen-14-yl)aceticacid