Get SMILES string for compound.
Bond order is guessed with pybel and may lead to incorrect SMILES strings.
smiles_string
str
Methacrylate.get_smiles()
mbuild_polybuild.aa_monomers.methacrylate.Methacrylate.get_boundingbox
mbuild_polybuild.aa_monomers.methacrylate.Methacrylate.is_independent