you can write in normal letters and not in big ones

No if pool1 is working, 100% from your hashing power will pointed to pool1
If pool1 is dead, the miner will redirect all the power to pool2, and so ... if pool2 also broken, the miner move to the last one pool3

put the data for the solo pool into pool1 and maybe antpool (your old pool) into pool2, that is all