hello. i want to send external message to mainnet via "toncli fift sendboc" (ex.

toncli fift sendboc ./fift/usage.fif build/contract EQB36_EfYjFYMV8p_cxSYX61bA0FZ4B65ZNN6L8INY-5gL6w 0 0 0.01). where i should put "-n mainnet" arg?