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: O=c1c2ccccc2ncn1-c1ccc(OCCCN2CCCC2)cc1
b: O=C1NC[C@@H](c2ccc(F)cc2)C12CCN([C@@H]1COCC[C@@]1(O)c1ccccc1)CC2
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}
3-[4-(3-pyrrolidin-1-ylpropoxy)phenyl]quinazolin-4-one