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 additional words.
Options:
a COC(=O)c1c(C)noc1-c1ccc2cc(CCN3CCC[C@H]3C)ccc2n1
b CCOC(=O)C1=C(CN2CCOCC2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Cl
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}
methyl 3-methyl-5-[6-[2-[(2R)-2-methylpyrrolidin-1-yl]ethyl]quinolin-2-yl]-1,2-oxazole-4-carboxylate