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 other words.
Options:
a: Cc1ncc(OC[C@@]2(c3ccc(F)c(F)c3)C[C@H]2C(=O)Nc2ccc(F)cn2)c(C)n1
b: C(#Cc1ccc2ccccc2n1)c1ccccn1
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}
(1R,2S)-2-(3,4-difluorophenyl)-2-[(2,4-dimethylpyrimidin-5-yl)oxymethyl]-N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide