Task: Answer the MCQ question.
Query: Which compound has a 18.276\% 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 CCn1cc(C(=O)N(C)c2ccc(OC)cc2)c2cc(OC)c(OC)cc2c1=O
b COc1ccc(Cc2nc3c4c(ncn3n2)Oc2c(ccc3ccccc23)C4c2ccc(OC)c(OC)c2)cc1
c O=C(c1ccnc(Cl)c1)N1CCCC(Nc2ccc(F)cc2)C1
Answer: b. COc1ccc(Cc2nc3c4c(ncn3n2)Oc2c(ccc3ccccc23)C4c2ccc(OC)c(OC)c2)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#}
COc1ccc(Cc2nc3c4c(ncn3n2)Oc2c(ccc3ccccc23)C4c2ccc(OC)c(OC)c2)cc1
COc1ccc(Cc2nc3c4c(ncn3n2)Oc2c(ccc3ccccc23)C4c2ccc(OC)c(OC)c2)cc1
2-(3,4-dimethoxyphenyl)-6-[(4-methoxyphenyl)methyl]-12-oxa-5,7,8,10-tetrazapentacyclo[11.8.0.03,11.04,8.014,19]henicosa-1(13),3(11),4,6,9,14,16,18,20-nonaene