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 other words.
Options:
(a) CNCC1Cc2ccccc2C(c2ccc(Cl)c(Cl)c2)C1
(b) Cc1nnc(C(C)C)n1C1CCN(C(C)CC(NC(=O)C2CCC(F)(F)CC2)c2ccccc2)CC1
(c) CN1CC2CC1CN2c1ccc(-c2ccc3[nH]ccc3c2)nn1
(d) CC(=O)OC1C(C)OC(Oc2c(-c3ccc(O)cc3)oc3cc(O)cc(O)c3c2=O)C(O)C1OC(C)=O
(e) CCOC(=O)c1c(CN2CCOCC2)nc(-c2nccs2)nc1-c1ccc(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}
1-[4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydronaphthalen-2-yl]-N-methylmethanamine