def read_smi_file(file_path):
    """
    Reads a SMILES file.
    :param file_path: Path to a SMILES file.
    :return: A list with all the SMILES.
    """
    with open(file_path, "r") as smi_file:
        return [smi.rstrip().split()[0] for smi in smi_file]