Using CCOC(=O)C(C)(Br)C(=O)OCC, CCC(Oc1ccc2c(c1)OCCn1cc(-c3nc(C)nn3C(C)C)nc1-2)C1CCN(C(=O)OCc2ccccc2)CC1 to produce CCOC(=O)C(C)(Oc1ccc2c(c1)OCCn1cc(-c3nc(C)nn3C(C)C)nc1-2)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.