Task: Please answer the multiple choice question.
Question: Which molecules are not 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. Cc1cnc(-c2ccc3c(c2)CCN(CCCSc2nnc(-c4ccc5[nH]ccc5c4)n2C)CC3)o1
b. N#Cc1ccc(OC2CNC(C(=O)N3CCCN(C4CCC4)CC3)C2)cc1
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}
4-[5-(4-cyclobutyl-1,4-diazepane-1-carbonyl)pyrrolidin-3-yl]oxybenzonitrile