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 additional words.
Options:
[a] COc1ccc(CCN2C(=O)N(NS(C)(=O)=O)CC2c2ccc(C3CC3)cc2)cc1
[b] CCOC(=O)C1=C(CN2CCOCC2CC(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Br
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-[4-(4-cyclopropylphenyl)-3-[2-(4-methoxyphenyl)ethyl]-2-oxoimidazolidin-1-yl]methanesulfonamide