Plot method for chent objects

# S3 method for chent
plot(x, ...)

Arguments

x	The chent object to be plotted
...	Further arguments passed to `grid.picture`

Examples

caffeine <- chent$new("caffeine")
#> PubChem:
#> Trying to get chemical information from RDKit using PubChem_Canonical SMILES
#> CN1C=NC2=C1C(=O)N(C(=O)N2C)C
#> Did not find chyaml file ./caffeine.yaml
print(caffeine)
#> <chent>
#> Identifier $identifier caffeine 
#> InChI Key $inchikey RYYVLZVUVIJVGH-UHFFFAOYSA-N 
#> SMILES string $smiles:
#>              PubChem_Canonical 
#> "CN1C=NC2=C1C(=O)N(C(=O)N2C)C" 
#> Molecular weight $mw: 194.2 
#> PubChem synonyms (up to 10):
#>  [1] "caffeine"                "58-08-2"                
#>  [3] "1,3,7-Trimethylxanthine" "Guaranine"              
#>  [5] "Thein"                   "Methyltheobromine"      
#>  [7] "Cafeina"                 "Theine"                 
#>  [9] "Koffein"                 "Mateina"                
if (!is.null(caffeine$Picture)) {
  plot(caffeine)
}