Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -1.228\% 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 additional words.
Options:
a: O=C(CSc1nc(C2CCCCC2)nc2ccccc12)N1CCCC1
b: COc1cccc(NC(=O)CSc2nnc(-c3ccc(C)cc3)o2)c1
c: C=CCn1c(SCc2c(C)noc2C)nc2sc3c(c2c1=O)CCCC3
d: c1cncc(CNc2nc(-c3cccnc3)nc3ccccc23)c1
Answer: d. c1cncc(CNc2nc(-c3cccnc3)nc3ccccc23)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#}
c1cncc(CNc2nc(-c3cccnc3)nc3ccccc23)c1
c1cncc(CNc2nc(-c3cccnc3)nc3ccccc23)c1
2-pyridin-3-yl-N-(pyridin-3-ylmethyl)quinazolin-4-amine