How do I make a usb to magsafe 1 adapter

hi hello i have a macbook a1181 charger i cut the cord haha yes lol and im thinking about making a usb to magsafe 1 adapter but theres a problem i have a macbook charger and i stripped the wire and it looks like it has one silver wire it doesnt have more wires and my usb has a red white green black and looks like a silver wire its from a usb mouse but i need help somehow connecting the magsafe to the usb thanks