Problem statement: Answer the multiple choice question.
Query: Which compound has a -21.704\% 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) CSc1nc2sc3c(c2c(=O)n1C1CCCCC1)CCN(C)C3
(b) COc1cc(C(=O)/C=C/c2cccnc2)c([N+](=O)[O-])cc1OC
(c) COc1ccc(O)c(CN2CCN(CCCc3ccccc3)C(CCO)C2)c1
(d) Cc1nn2c(-c3ccc(F)cc3)ccnc2c1Cl
Answer: c. COc1ccc(O)c(CN2CCN(CCCc3ccccc3)C(CCO)C2)c1
{#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#}
COc1ccc(O)c(CN2CCN(CCCc3ccccc3)C(CCO)C2)c1
COc1ccc(O)c(CN2CCN(CCCc3ccccc3)C(CCO)C2)c1
2-[[3-(2-hydroxyethyl)-4-(3-phenylpropyl)piperazin-1-yl]methyl]-4-methoxyphenol