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 Cc1cc(C)n(Cc2ccc(C(=O)NCC3(c4nc(-c5ccccc5)cs4)CCOCC3)cc2)n1
b Cc1ccc(C#CCOCc2cccc(COCC#Cc3ccc(C)cc3)[n+]2C)cc1
Answer: b
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-2,6-bis[3-(4-methylphenyl)prop-2-ynoxymethyl]pyridin-1-ium