In addition , linear naming systems such as International Chemical Identifier ( InChI ) allow a computer to construct a structural formula .
Simplified molecular - input line - entry system ( SMILES ) allows a more human - readable ASCII input .
In addition , linear naming systems such as International Chemical Identifier ( InChI ) allow a computer to construct a structural formula , and simplified molecular - input line - entry system ( SMILES ) allows a more human - readable ASCII input .