Question: How many heavy (non-hydrogen) atoms does this compound have?
 The Compound has the SMILES COc1cc2ncnc(Nc3ccc(O)cc3)c2cc1OC.
Answer: 22
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
COc1cc2ncnc(Nc3ccc(O)cc3)c2cc1OC
COc1cc2ncnc(Nc3ccc(O)cc3)c2cc1OC
4-[(6,7-dimethoxyquinazolin-4-yl)amino]phenol
How many heavy (non-hydrogen) atoms does this compound have?
22