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, c, or d without using any additional words.
Options:
a. CC(C)N1CC(C(=O)Nc2ccc(Cl)cn2)C(C(=O)Nc2ccc(-n3ccccc3=O)cc2F)C1
b. Cc1noc(C)c1Cn1cc(CN(C(=O)C2CNCCC2(O)c2ccc(F)c(F)c2)C2CC2)c2c(F)cccc21
c. Cc1cccc(-c2noc([C@H]3CNCC[C@]3(O)c3ccc(F)c(F)c3)c2Br)c1C
d. CCC1NC(c2cc(C#N)ccn2)=NC1(c1ccc(F)cc1)c1ccc(F)cc1
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}
3-N-(5-chloropyridin-2-yl)-4-N-[2-fluoro-4-(2-oxopyridin-1-yl)phenyl]-1-propan-2-ylpyrrolidine-3,4-dicarboxamide