Task: Answer the MCQ question.
Query: Which drug has a -1.533\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccc(CCNC(=O)CN(c2ccc(OC)c(OC)c2)S(C)(=O)=O)cc1
[b] CSc1nc2oc3c(c2c2nncn12)CC(C)(C)SC3
Answer: b. CSc1nc2oc3c(c2c2nncn12)CC(C)(C)SC3
{#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#}
CSc1nc2oc3c(c2c2nncn12)CC(C)(C)SC3
CSc1nc2oc3c(c2c2nncn12)CC(C)(C)SC3
14,14-dimethyl-7-methylsulfanyl-10-oxa-13-thia-3,4,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene