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] Cn1c(SCCCN2CC3CCN(c4c(F)cccc4F)C3C2)nnc1-c1cnccn1
[b] COc1cc2c(Nc3ccc(NC(=O)c4ccccc4)cc3)ncnc2cc1OCCCN1CCOCC1
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-(2,6-difluorophenyl)-5-[3-[(4-methyl-5-pyrazin-2-yl-1,2,4-triazol-3-yl)sulfanyl]propyl]-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrole