Task: Answer the multiple choice question.
Question: Which compound exhibits a -9.822\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCOc1c(C(=O)CC)cc2c(C)cc(=O)oc2c1C
(b) CC(CNC(=O)c1ccc(C#N)cc1)NC(=O)c1ccc(C#N)cc1
(c) CCSC1=C(C#N)C(c2ccccc2Cl)CC(=O)N1
(d) Cc1ccc(N(CC(=O)NC2CCCC2)C(=O)c2nsc(Cl)c2Cl)cc1
Answer: a. CCOc1c(C(=O)CC)cc2c(C)cc(=O)oc2c1C
{#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#}
CCOc1c(C(=O)CC)cc2c(C)cc(=O)oc2c1C
CCOc1c(C(=O)CC)cc2c(C)cc(=O)oc2c1C
7-ethoxy-4,8-dimethyl-6-propanoylchromen-2-one