Using CC(C)(C)OC(=O)c1ccc(-c2nc(C3CCC4(CC3)OCCO4)cnc2N)cc1F to produce CC(C)(C)OC(=O)c1ccc(-c2nc(C3CCC(=O)CC3)cnc2N)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.