Using CCCC(CC(=O)OCC)n1c(=O)[nH]c2ccccc21, Cc1ccc(C)c(CBr)c1 to produce CCCC(CC(=O)O)n1c(=O)n(Cc2cc(C)ccc2C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.