Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COc1ccc(CC[NH+](C)CCC[C@@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
b) Cc1cn2ccn(CC3(c4ccc(C(F)(F)F)cc4)CC3)c(=O)c2n1
c) COc1cc(N2CCC3(CCN(C[C@H](O)c4ccc5c(c4C)COC5=O)CC3)C2=O)ccn1
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}
2-methyl-7-[[1-[4-(trifluoromethyl)phenyl]cyclopropyl]methyl]imidazo[1,2-a]pyrazin-8-one