Using CC(=O)OCCBr, COC(=O)Cc1c[nH]c2ccc(O)cc12 to produce COC(=O)Cc1c[nH]c2ccc(OCCOC(C)=O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.