() (prt) (arch) (See を) marks object of action, etc. (also adds emphasis) [EDICT]
無くす
(なくす) (v5s,vt) (1) to lose something; (2) (usu. 無くす) to get rid of; (3) (亡くす only) to lose someone (wife, child, etc.); (P) [EDICT]
の
() (prt) endorsing and questioning the preceding statement (sentence ending particle); lamenting reflections on the preceding statement (sentence ending particle) [EDICT]
() (prt) (1) although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; (2) while; (3) if only; I wish; (4) I tell you; you should do; (5) in order to; (P) [EDICT]