Task: Answer the multiple-choice question.
Question: Which drug exhibits a -12.407\% 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) O=C(c1ccc(Cl)cc1)N1CCN(CCOc2ccccc2)CC1
b) Cc1cc2nc(-c3ccc(=O)[nH]c3)n(C)c2cc1C
c) O=C(N1CCOCC1)N1CCC(n2nnc3ccccc32)CC1
d) Cc1ccc(N2CCN(S(=O)(=O)N3CCCCC3)CC2)cc1Cl
Answer: a. O=C(c1ccc(Cl)cc1)N1CCN(CCOc2ccccc2)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#}
O=C(c1ccc(Cl)cc1)N1CCN(CCOc2ccccc2)CC1
O=C(c1ccc(Cl)cc1)N1CCN(CCOc2ccccc2)CC1
(4-chlorophenyl)-[4-(2-phenoxyethyl)piperazin-1-yl]methanone