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 other words.
Options:
(a) N#Cc1cccc2c1ncn2-c1ccc(C(=O)NC2CC2)s1
(b) COCCN(C)CCn1c(C#N)c(-c2cccc(F)c2)c2cc(OC)ccc2c1=O
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}
5-(4-cyanobenzimidazol-1-yl)-N-cyclopropylthiophene-2-carboxamide