Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CN(C)C[C@H]1CCc2cc(NC(=O)c3ccc(-c4ccc(F)cc4)cc3)ccc2C1
b: N#Cc1ccc2ccc(=O)n(CCN3CC[C@@H](NCc4cc5c(cn4)OCCO5)[C@@H](O)C3)c2c1
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}
N-[(6S)-6-[(dimethylamino)methyl]-5,6,7,8-tetrahydronaphthalen-2-yl]-4-(4-fluorophenyl)benzamide