1. Department of Chemistry, CICECO, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal, CIQ, Department of Chemistry, University of Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal, and Department of Chemistry and Biochemistry, Faculty of Science and Technology, University of the Algarve, Campus de Gambelas, 8000-062 Faro, Portugal