Using O=C1CCC(=O)N1Br, CCOC(=O)c1ncc2c(c1O)c(Cl)c(Cl)n2CCC(C)C to produce CCOC(=O)c1nc(Br)c2c(c1O)c(Cl)c(Cl)n2CCC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.