Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1COc2ccc(CNC34CCC(C[C@]5(O)Cn6c(=O)ccc7ncc(F)c5c76)(CC3)OC4)cc2N1
b. O=C(Nc1ccccc1)N1N=C(c2ccc(Br)cc2)CC1c1ccc(F)cc1
Answer: a
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-[[(3R)-5-fluoro-3-hydroxy-11-oxo-1,7-diazatricyclo[6.3.1.04,12]dodeca-4(12),5,7,9-tetraen-3-yl]methyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-1,4-benzoxazin-3-one