Using COc1ccc2cc([C@H](C)C(=O)O)ccc2c1, CC(C)(C)OC(=O)CBr to produce COc1ccc2cc([C@H](C)C(=O)OCC(=O)OC(C)(C)C)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.