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) Cc1ccccc1-c1nc2cn(-c3ccc(Cl)cc3)nc2c(=O)n1CC1CCCN(C(C)C)C1
b) COc1cnc2ccc(F)c([C@H](O)[C@H](O)[C@@H]3CC[C@@H](NCc4cc5c(nn4)OCCS5)CO3)c2n1
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}
2-(4-chlorophenyl)-5-(2-methylphenyl)-6-[(1-propan-2-ylpiperidin-3-yl)methyl]pyrazolo[4,3-d]pyrimidin-7-one