A newly synthesized organic compound, C8H10O2N2, exhibits intriguing reactivity and structural properties. The compound undergoes nitration much faster than benzene, suggesting an activated aromatic ring. Additionally, it forms a diethyl acetal when treated with ethanol in the presence of an acid catalyst, indicating the presence of a carbonyl group. Utilizing these clues and the principles of organic chemistry, what is the most probable structure for this compound? Options: a) 4-nitroaniline b) 3,4-dimethoxyaniline c) N,N-dimethyl-p-aminobenzaldehyde d) 2,4-dinitrophenol