Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. N#Cc1ccc(-c2ccc(C[C@@H](C#N)NC(=O)[C@@H]3CCCCC[C@@H]3N)cc2)cc1
b. Cc1nc(C)c(-c2ccc3cc(CCN4CCCC4C)ccc3n2)cc1C(N)=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}
(1R,2S)-2-amino-N-[(1S)-1-cyano-2-[4-(4-cyanophenyl)phenyl]ethyl]cycloheptane-1-carboxamide