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)c3c2n1C[C@H]3CN1CCC(NCc2cc3c(cn2)OCCO3)CC1
b. COc1cnc2ccc(=O)n3c2c1[C@](O)(CC12CCC(NCc4ccc5c(n4)NC(=O)CO5)(CC1)CO2)C3
c. Cc1ccc(-c2ccc(C#Cc3cccc(C#Cc4ccc(-c5ccc(C)cc5)cc4)[n+]3C)cc2)cc1
Answer: c
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-methyl-2,6-bis[2-[4-(4-methylphenyl)phenyl]ethynyl]pyridin-1-ium