Task: Answer the MCQ question.
Question: Which compound exhibits a -51.550\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. O=C(CCN1C(=O)/C(=C/c2ccccc2F)SC1=S)NCCCN1CCOCC1
b. CO[C@@H]1[C@@H](O)[C@@H](O)[C@H](Oc2ccc(-c3ccccc3)c(C(=O)NCc3ccccc3)c2)OC1(C)C
c. Cl.c1ccc(OCCN2C3=NCCN3c3ccccc32)cc1
d. O=C(O)c1cc(-c2cccs2)nn1-c1ccc(F)cc1
e. CNC(=O)/C=C/c1cc(C(=O)c2ccc(Cl)cc2Cl)cn1C
Answer: c. Cl.c1ccc(OCCN2C3=NCCN3c3ccccc32)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#}
Cl.c1ccc(OCCN2C3=NCCN3c3ccccc32)cc1
Cl.c1ccc(OCCN2C3=NCCN3c3ccccc32)cc1
4-(2-phenoxyethyl)-1,2-dihydroimidazo[1,2-a]benzimidazole;hydrochloride