O=C1C=CC(=Nc2nc(O)c(-c3c(O)[nH]c4ccccc34)s2)C=C1
The rule of three is typically followed by orally active drugs, which have a molecular weight of <300, a c LogP of ≤3, a hydrogen bond donor count of ≤3 and a hydrogen bond acceptor count of ≤3. Does the molecule comply with the rule of three?