Task: Answer the MCQ question.
Query: Which compound exhibits a -45.876\% human ether-à-go-go related gene (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] CCOc1ccc(C(=O)N2CCN(c3cnn(-c4ccccc4)c(=O)c3Cl)CC2)cc1
[b] CC(C)CCN(C(=S)Nc1cccc(F)c1)C(C)c1cccs1
[c] COCc1cnc(C)nc1N
[d] CC(C)CCc1c(O)nc(SCC(C)C)[nH]c1=O
Answer: a. CCOc1ccc(C(=O)N2CCN(c3cnn(-c4ccccc4)c(=O)c3Cl)CC2)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#}
CCOc1ccc(C(=O)N2CCN(c3cnn(-c4ccccc4)c(=O)c3Cl)CC2)cc1
CCOc1ccc(C(=O)N2CCN(c3cnn(-c4ccccc4)c(=O)c3Cl)CC2)cc1
4-chloro-5-[4-(4-ethoxybenzoyl)piperazin-1-yl]-2-phenylpyridazin-3-one