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, b, c, d, or e without using any additional words.
Options:
a) Cc1nc(N)c2nnn(C[C@H]3CN(Cc4nccs4)CCO3)c2n1
b) Cn1cc(C2=C(c3cn(C4CCN(Cc5ccccn5)CC4)c4ccccc34)C(=O)NC2=O)c2ccccc21
c) O=C(NOCC1CC1)c1ccc(F)c(F)c1Nc1ccc(I)cc1Cl
d) Cc1ccc(NC(=O)c2ccc(CN3CC[C@H](N(C)C)C3)c(C(F)(F)F)c2)cc1Nc1ncc(-c2cncnc2)cn1
e) COc1ccc2c(c1)CC(CCN(C)C)=C2Cc1cnccn1
Answer: e
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}
2-[6-methoxy-3-(pyrazin-2-ylmethyl)-1H-inden-2-yl]-N,N-dimethylethanamine