def METHOD_NAME(rxn_exp_iri: str, sparql_client):
    query = """SELECT ?vapourtec_derivation WHERE {?vapourtec_derivation <%s> <%s>; <%s> ?vapourtec_agent. ?vapourtec_agent ^<%s>/a <%s>.}""" % (
        cf.ONTODERIVATION_ISDERIVEDFROM, rxn_exp_iri, cf.ONTODERIVATION_ISDERIVEDUSING, cf.ONTOLAB_ISMANAGEDBY, cf.ONTOVAPOURTEC_VAPOURTECRS400
    )
    response = sparql_client.performQuery(query)
    return response[0]['vapourtec_derivation'] if len(response) > 0 else None