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] O=C(NCCc1ccccc1-c1ccc(CO)nc1)c1ccc(OCCC(F)(F)F)nc1
[b] O=C1COc2ccc(CNC34CCC(CCc5ccnc6ccc(C(F)(F)F)nc56)(CC3)OC4)nc2N1
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-[6-(trifluoromethyl)-1,5-naphthyridin-4-yl]ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one