Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1ccccc1-c1nn(-c2ccccc2)cc1C(=O)NCC(c1ccco1)N1CCCC1
[b] CCN(CC)CCn1c2c(c(SCC(=O)Nc3cc(C)cc(C)c3)nc1=O)CCC2
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}