Using CCOC(=O)c1c[nH]c2c(c1=O)C(=O)CCC2, BrC=CCBr to produce CCOC(=O)c1cn(CC=CBr)c2c(c1=O)C(=O)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.