Task: Answer the multiple-choice question.
Question: Which compound has a 2.526\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCCc1nc2oc3cc(OC)ccc3c(=O)c2c(=O)n1Cc1ccco1
b C/C=C/c1ccc(OCC(=O)Nc2ccc(C(N)=O)cc2)c(OC)c1
c O=S(=O)(c1ccc(-c2ccon2)s1)N1CCN(c2ccncc2)CC1
Answer: a. CCCc1nc2oc3cc(OC)ccc3c(=O)c2c(=O)n1Cc1ccco1
{#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#}
CCCc1nc2oc3cc(OC)ccc3c(=O)c2c(=O)n1Cc1ccco1
CCCc1nc2oc3cc(OC)ccc3c(=O)c2c(=O)n1Cc1ccco1
3-(furan-2-ylmethyl)-8-methoxy-2-propylchromeno[2,3-d]pyrimidine-4,5-dione