Task: Answer the multiple-choice question.
Question: Which drug exhibits a -21.155\% 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 other words.
Options:
(a) Cc1noc(C)c1CSCC(=O)N(C)CC(=O)Nc1ccc(Cl)c(Cl)c1
(b) CCN(CC)CCNCC(=O)Nc1ccc(Oc2ccccc2)cc1
(c) CC(=O)COc1cc2c(-c3cc4ccccc4o3)cc(=O)oc2cc1C
(d) COc1ccc(C(=O)N2CCC(CCC(=O)Nc3cccc(C)c3)CC2)cc1
(e) CCOc1cc(CNCc2cccnc2)ccc1OCC(=O)NC(C)(C)C.Cl
Answer: b. CCN(CC)CCNCC(=O)Nc1ccc(Oc2ccccc2)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#}
CCN(CC)CCNCC(=O)Nc1ccc(Oc2ccccc2)cc1
CCN(CC)CCNCC(=O)Nc1ccc(Oc2ccccc2)cc1
2-[2-(diethylamino)ethylamino]-N-(4-phenoxyphenyl)acetamide