Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCN(CC)Cc1ccc2c(c1)CCC(N1CCN(CCc3ccc(Cl)cc3)CC1=O)C2
[b] CN(C)CC(C)(C)CNc1nn2c(-c3ccccc3)nnc2cc1C1CCC1
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}
4-[2-(4-chlorophenyl)ethyl]-1-[6-(diethylaminomethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]piperazin-2-one