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 other words.
Options:
a) CNCC(C)CN1c2ccccc2Sc2ccc(C#N)cc21
b) N#Cc1ccc(N2CCN(CCc3ccc(OCCCN4CCCCCC4)cc3)CC2)c2ncccc12
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}
10-[2-methyl-3-(methylamino)propyl]phenothiazine-2-carbonitrile