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 other words.
Options:
a CCc1ccc2c(N3CC[C@@H](NC)C3)nc(N)nc2c1
b CC(C)(C)CCC1(C(=O)c2ccc3[nH]ncc3c2)CCCN1
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}
7-ethyl-4-[(3R)-3-(methylamino)pyrrolidin-1-yl]quinazolin-2-amine