Using CCOC(=O)n1c(=O)[nH]c2cc(OC)ccc21, ClCCBr to produce CCOC(=O)n1c(=O)n(CCCl)c2cc(OC)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.