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] C[C@@H]1CCCN1C1CC(c2ccc(-c3cncnc3)cc2)C1
[b] CCOC(=O)C1=C(CN2CCOC[C@@H]2C(=O)O)NC(c2nccs2)=N[C@H]1c1ccc(Cl)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}
5-[4-[3-[(2R)-2-methylpyrrolidin-1-yl]cyclobutyl]phenyl]pyrimidine