Which compound is formed from 1-bromobutane in a nucleophilic substitution reaction?
CH3CH2CH2CN\text{CH}_3\text{CH}_2\text{CH}_2\text{CN}CH3CH2CH2CN
CH3CH2CH2CH2NH2\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{NH}_2CH3CH2CH2CH2NH2
CH3CH2CH=CH2\text{CH}_3\text{CH}_2\text{CH}=\text{CH}_2CH3CH2CH=CH2
CH3CH2CH2CH2OSO2OH\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{OSO}_2\text{OH}CH3CH2CH2CH2OSO2OH