please give me some nice answer

1. Chemical drug is methyl 2{4[2-(piperidin-1-yl)ethoxy]benzoyl)benzoate. Oraw the structure, mark centres of chirality, If you find any and explain if the molecule is acidic, basic or neutral. 2. Draw structures: a) 4,5-dihydro-1,2,4-oxadiazole, pyrimidine, phenothiazine, 1H-indole b) ethyl 3-(3,4-dichlorophenyl)-5,5,5-trifluoro-pentanoate c) 3-(2-hydroxyethyl)-4oxospiro[4.4]non-7-en-1-carboxamide d) thieno[2,3-b]pyridine-3-sulfonic acid. 3. Give names