Using CCOC(=O)Cc1c(C(=O)OCC)[nH]c2ccccc12, COC(=O)c1cccc(Br)c1 to produce CCOC(=O)Cc1c(C(=O)OCC)n(-c2cccc(C(=O)OC)c2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.