Using Cc1cc(C(O)CN(CCO)C(=O)OC(C)(C)C)cnc1Br to produce Cc1cc(C2CN(C(=O)OC(C)(C)C)CCO2)cnc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.