Using COCCOCn1c(-c2ccccc2-c2ccc(C)cc2)noc1=O, O=C1CCC(=O)N1Br to produce COCCOCn1c(-c2ccccc2-c2ccc(CBr)cc2)noc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.