Task: Answer the multiple choice question.
Query: Which drug exhibits a -74.646% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCCCCc1cc(=O)oc2c(C(CCN3CCCCC3)c3cc(OC)c(OC)c(OC)c3)c(OC)cc(OC)c12
b CCCN1C(=O)COc2ccc(-c3n[nH]c(=O)c4ccccc34)cc21
c C=CCNC(=O)/C(=C/c1cccc([N+](=O)[O-])c1)NC(=O)c1ccco1
Answer: a. CCCCCc1cc(=O)oc2c(C(CCN3CCCCC3)c3cc(OC)c(OC)c(OC)c3)c(OC)cc(OC)c12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCCc1cc(=O)oc2c(C(CCN3CCCCC3)c3cc(OC)c(OC)c(OC)c3)c(OC)cc(OC)c12
CCCCCc1cc(=O)oc2c(C(CCN3CCCCC3)c3cc(OC)c(OC)c(OC)c3)c(OC)cc(OC)c12
5,7-dimethoxy-4-pentyl-8-[3-piperidin-1-yl-1-(3,4,5-trimethoxyphenyl)propyl]chromen-2-one