1. Department of Chemistry, University of Florence, Polo Scientifico e Tecnologico, via della Lastruccia 3, I-50019, Firenze, Italy, Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas (IESL-FORTH), P.O. Box 1385, Heraklion, 71110, Greece, Courtauld Institute of Art, Somerset House, Strand, London, WC2R 0RN, London, U.K., and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Polo Scientifico e Tecnologico, Via Nello Carrara 1, I-50019...