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) NC1CN(c2ccc3nc(=O)ccn3n2)CCC1c1cc(F)c(F)cc1F
(b) CC1Sc2ccccc2OC1c1ccc(OCCCN2CCCC2)cc1
Answer: 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}
1-[3-[4-(3-methyl-2,3-dihydro-1,4-benzoxathiin-2-yl)phenoxy]propyl]pyrrolidine