Task: Answer the multiple-choice question.
Question: Which drug exhibits a -49.596\% 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(NC(=O)c1cccc(Cl)c1)OC[C@@H]1CCCN2CCCCC12
(b) CCOC(=O)C1=CN(CC2CCCO2)C=C(C(=O)OCC)C1c1ccccc1C(F)(F)F
(c) CCOc1ccc(CCNC(=O)c2ccc(Cl)c(S(=O)(=O)N3CCOCC3)c2)cc1OCC
(d) COc1cc2oc(=O)ccc2c(OC)c1CC(O)C(C)(C)O
(e) Cc1ccn2c(=O)c(C(=O)NC3CCCCC3C)c(O)nc2c1
Answer: a. O=C(NC(=O)c1cccc(Cl)c1)OC[C@@H]1CCCN2CCCCC12
{#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(NC(=O)c1cccc(Cl)c1)OC[C@@H]1CCCN2CCCCC12
O=C(NC(=O)c1cccc(Cl)c1)OC[C@@H]1CCCN2CCCCC12
[(1R)-2,3,4,6,7,8,9,9a-octahydro-1H-quinolizin-1-yl]methyl N-(3-chlorobenzoyl)carbamate