Using CCOC(=O)C=C(C)Oc1cccc2ccccc12, O=C1CCC(=O)N1Br to produce CCOC(=O)C=C(CBr)Oc1cccc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.