Task: Please answer the multiple choice question.
Question: Which molecules are not 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) Oc1nc(-c2ccc(C(F)(F)F)cc2)nc2c1CSCC2
b) CCc1cc(C(=O)N[C@@H]2CC(C)(C)Oc3nc(-c4ccc(Cl)cc4Cl)c(-c4ccc(Cl)cc4)cc32)n[nH]1
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-(trifluoromethyl)phenyl]-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidin-4-ol