Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCOC(=O)C1CCN(C(=N)c2ccc(C(=O)Nc3c(OC)cc(Cl)cc3C(=O)Nc3ccc(Cl)cn3)c(F)c2)CC1
b: COCCCc1cc(CN(C(=O)[C@H]2CNCC[C@@]23OCc2cc(F)c(F)cc23)C2CC2)c2ccccc2c1
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}
ethyl 1-[4-[[4-chloro-2-[(5-chloropyridin-2-yl)carbamoyl]-6-methoxyphenyl]carbamoyl]-3-fluorobenzenecarboximidoyl]piperidine-4-carboxylate