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. COc1cc(Nc2ncc3c(=O)n(-c4c(Cl)cccc4Cl)ccc3n2)ccc1N1CCN(C)CC1
b. Cc1ncc(-c2nc(Nc3ccc(C(=O)N(C)C)cc3)ncc2F)n1C(C)C
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}
6-(2,6-dichlorophenyl)-2-[3-methoxy-4-(4-methylpiperazin-1-yl)anilino]pyrido[4,3-d]pyrimidin-5-one