Using O=C1CCC(=O)N1Br, COC(=O)c1cccc2oc3ccc(C)cc3c(=O)c12 to produce COC(=O)c1cccc2oc3ccc(CBr)cc3c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.