Task: Please answer the multiple choice question.
Question: Which molecules are not 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) N#Cc1cc(NC(=O)Nc2nnc(-c3ccncc3)s2)ccc1-c1cn[nH]c1
b) Cc1cc2ncc3c(n2n1)CN([C@H]1CO[C@H](c2cc(F)c(F)cc2F)[C@@H](N)C1)C3
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}
1-[3-cyano-4-(1H-pyrazol-4-yl)phenyl]-3-(5-pyridin-4-yl-1,3,4-thiadiazol-2-yl)urea