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) N#Cc1ccc(Cn2cncc2CN(CCN2CCNCC2)C2CCN(Cc3cccc(Cl)c3)C2=O)cc1
(b) Oc1ccc(C2CCN(c3ccnc4ccccc34)CC2)cc1O
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-[[5-[[[1-[(3-chlorophenyl)methyl]-2-oxopyrrolidin-3-yl]-(2-piperazin-1-ylethyl)amino]methyl]imidazol-1-yl]methyl]benzonitrile