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) CN1Cc2ccccc2[C@H](c2ccc(F)cc2F)N=C1CCc1ccc(NS(C)(=O)=O)cc1
b) O=C(c1ccc(C2=CC3(CCNCC3)Oc3ccccc32)cc1)N1Cc2ccccc2C1
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-dihydroisoindol-2-yl-(4-spiro[chromene-2,4'-piperidine]-4-ylphenyl)methanone