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, or d without using any additional words.
Options:
[a] O=C(CNCCc1c(Cl)cccc1Cl)N1CCc2ccccc2C1C1CCCCC1
[b] N#Cc1cccc(N2CCN(CCCCNC(=O)c3cc4ccccc4o3)CC2)c1
[c] CCOC(=O)c1c(-c2ccc3c(c2)OCO3)csc1N
[d] Cc1nc2ccccc2n1C1CC2CCC(C1)N2CCC1(c2ccccc2)CCN(C(=O)c2ccc3c(c2)CC(=O)NS3(=O)=O)CC1
Answer: b
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-(3-cyanophenyl)piperazin-1-yl]butyl]-1-benzofuran-2-carboxamide