Using COc1ccc(COC(=O)c2ccc(=O)[nH]c2)cc1, OCCBr to produce COc1ccc(COC(=O)c2ccc(=O)n(CCO)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.