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 or b without using any additional words.
Options:
(a) CC[C@@H](C)C(=O)O[C@@H]1C[C@@H](C)C=C2C=C[C@@H](C)[C@@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@H]21
(b) N#Cc1c(-c2ccccc2)cc(-c2ccccc2)nc1/N=c1\sc(C(=O)Nc2ccccc2)nn1-c1ccccc1
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}
(5Z)-5-(3-cyano-4,6-diphenylpyridin-2-yl)imino-N,4-diphenyl-1,3,4-thiadiazole-2-carboxamide