Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1cc2c(s1)Nc1ccccc1N=C2N1CCNCC1
b. N#Cc1nc(CCCN2CCC(O)CC2)cc(-c2cccc(C(F)(F)F)c2)n1
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}
4-[3-(4-hydroxypiperidin-1-yl)propyl]-6-[3-(trifluoromethyl)phenyl]pyrimidine-2-carbonitrile