/usr/share/RDKit/Contrib/mmpa/data/sample_smiles_mol_trans.smi is in rdkit-data 201603.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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O=C(O)c1ccc(NC(=O)C2COc3ccccc3O2)cc1 2881039