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, b, or c without using any other words.
Options:
(a) O=c1ccc2ncc(F)c3c2n1CC3(O)CC12CCC(NCc3cc4c(cn3)OCCS4(=O)=O)(CC1)CO2
(b) CNCc1cc(Cl)ccc1Oc1ccc(C)c(C)c1
(c) N#Cc1cnc(C(=O)Nc2ccc(C3CCN(C(=O)CN4CCOCC4)CC3)cc2C2=CCCCC2)[nH]1
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-[5-chloro-2-(3,4-dimethylphenoxy)phenyl]-N-methylmethanamine