Question: Which USAN substem can this drug or clinical candidate name be matched with?
 The Molecule has the SMILES C#Cc1cccc(Nc2ncnc3cc4c(cc23)OCCOCCOCCO4)c1.
Result: -tinib
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
C#Cc1cccc(Nc2ncnc3cc4c(cc23)OCCOCCOCCO4)c1
C#Cc1cccc(Nc2ncnc3cc4c(cc23)OCCOCCOCCO4)c1
N-(3-ethynylphenyl)-2,5,8,11-tetraoxa-15,17-diazatricyclo[10.8.0.014,19]icosa-1(12),13,15,17,19-pentaen-18-amine
Which USAN substem can this drug or clinical candidate name be matched with?