Using O=C1CCC(=O)N1Br, COC(=O)c1nc(-c2ccc(C)cc2)n(C)c(=O)c1OC(=O)C(C)(C)C to produce COC(=O)c1nc(-c2ccc(CBr)cc2)n(C)c(=O)c1OC(=O)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.