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) Cc1ccc(OCC#Cc2cccc(CCCOc3ccc(C)cc3)[n+]2C)cc1
(b) COCC1=C(C(=O)N2CCC[C@H]2c2cc(C)no2)[C@@H](c2cc3ccccc3n2C)n2nc(C(F)(F)F)cc2N1
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-methyl-2-[3-(4-methylphenoxy)propyl]-6-[3-(4-methylphenoxy)prop-1-ynyl]pyridin-1-ium