Using CCOC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1, CC1Oc2ccc(Br)cc2C1=O to produce CCOC(=O)Cc1c(C)oc2ccc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.