Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1cnc2c(C(=O)NCCO)cn(Cc3ncnc(N(C)C)c3C)c2c1
b. CCCCc1cc(N2CCN(CCc3ccc(OCCCN4CCCCCC4)cc3)CC2)c2nc(CCC(=O)O)ccc2c1
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}
3-[8-[4-[2-[4-[3-(azepan-1-yl)propoxy]phenyl]ethyl]piperazin-1-yl]-6-butylquinolin-2-yl]propanoic acid