Using O=C(OCc1ccccc1)c1cc2ccccc2[nH]1, COC(=O)CBr to produce COC(=O)Cc1c(C(=O)OCc2ccccc2)[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.