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)C1=C(CN2CCOC(CC(=O)O)C2)NC(c2nccs2)=NC1c1ccc(F)cc1Br
(b) O=C([C@@H]1CC[C@@H](N2CCOCC2)C[C@H]1c1ccc(Br)cc1)N1CC(c2ccccc2)(c2ccccc2)C1
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}
[(1R,2R,4R)-2-(4-bromophenyl)-4-morpholin-4-ylcyclohexyl]-(3,3-diphenylazetidin-1-yl)methanone