Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1ncoc1-c1ccc(CC(=O)N[C@H](C)c2ccc(OCC(F)(F)F)cn2)cc1
b. COc1ccc2ncc(F)c(CCC34CCC(NCc5nc6c(c(C)c5C)OCC(=O)N6)(CC3)CO4)c2n1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
6-[[[1-[2-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-7,8-dimethyl-4H-pyrido[3,2-b][1,4]oxazin-3-one