Using O=Cc1ccc(-c2c3ccccc3c(Br)c3ccccc23)cc1, CCOP(=O)(Cc1ccccc1)OCC to produce Brc1c2ccccc2c(-c2ccc(C=Cc3ccccc3)cc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.