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 additional words.
Options:
a: O=C(c1ccc(C2=CC3(CCNCC3)Oc3ccccc32)cc1)N1CCCCC1
b: CC(C)Oc1cc(-n2cnc3ccc(N[C@@H](C)c4ccc(F)cn4)nc32)n[nH]1
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}
piperidin-1-yl-(4-spiro[chromene-2,4'-piperidine]-4-ylphenyl)methanone