Using O=C(OCc1ccccc1)c1c[nH]c2ccccc12, CCOC(=O)CCCBr to produce CCOC(=O)CCCn1cc(C(=O)OCc2ccccc2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.