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.) CNC[C@@H]1Cc2ccccc2[C@H](c2ccc(Cl)c(Cl)c2)C1
b.) Cc1cc(C)nc(N2C[C@H]3CN(C(=O)c4ccccc4-c4ncn[nH]4)C[C@H]3C2)n1
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-[(2S,4S)-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydronaphthalen-2-yl]-N-methylmethanamine