Is my system compatible for a google nest?

[Watsonar]

Wiring system is in this sequence, sorry it won’t allow a photo attachment.

G Y W RH B O RC

B and O do not have wires connected to them 

thanks

[Patrick_Caezza]

@Watsonar 

Post a picture of your current thermostat wiring. Use the little camera icon at the top of the replying window to insert a picture.