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 Cc1nc2n(c(=O)c1CCN1CCN(c3cccc4sccc34)CC1)CCCC2F
b CCC(NCCCC[C@@H](Nc1cc(C)c(F)c(C)c1)C(=O)NO)c1ccc(F)cc1
Answer: a, b
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-[2-[4-(1-benzothiophen-4-yl)piperazin-1-yl]ethyl]-9-fluoro-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one