Consider the given reaction, identify the major product P.
\(CH_3 - COOH \xrightarrow [(iv)\,H_2O/ \bar {O}H,\Delta]{(i)\,LiAlH_4 \,(ii) PCC \, (iii)\, HCN/ \bar{O}H} {'P '}\)
(1) \(CH_3 - CH _2 - CH_2 - OH\)
(2) \(CH_3 - CH_2 - \overset {\overset {O}{||}}{C}- NH_2\)
(3) \(CH_3 - \overset {\overset {O}{||}}{C} - NH_2\)
(4) \(CH_3 - \overset{\overset {OH}{|}}{C}-CH_2 CH_3\)