O=C1[C@H]2O[C@@H]2[C@@H](O)[C@H]2[C@H]1CCn1c(=O)n(Cc3cc4c(cc3Cl)OCO4)c(=O)n12
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?