Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CSc1cc(Nc2cnc(C#N)c(O[C@H](C)CN(C)C)n2)ncc1-c1cnn(C)c1
b. Cc1c([C@@H](O)CN2CCC3(CC2)CN(c2ccc(=O)n(C)n2)CCO3)ccc2c1COC2=O
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}
3-[(2R)-1-(dimethylamino)propan-2-yl]oxy-5-[[5-(1-methylpyrazol-4-yl)-4-methylsulfanylpyridin-2-yl]amino]pyrazine-2-carbonitrile