This function checks if a string is a valid SMILES by checking if (R)CDK can parse it.
If it cannot be parsed by rcdk FALSE is returned, else TRUE.
Usage
is.smiles(x, verbose = TRUE)
Arguments
x
character; input SMILES.
verbose
logical; print messages during processing to console?
Value
a logical
References
Egon Willighagen (2015). How to test SMILES strings in Supplementary Information.
https://chem-bla-ics.blogspot.nl/2015/10/how-to-test-smiles-strings-in.html