Using CCCCCCCN(CC1(c2ccc(C=C(OCC)C(=O)OCC)cc2)CC1)C(=O)OC(C)(C)C to produce CCCCCCCN(CC1(c2ccc(CC(OCC)C(=O)OC)cc2)CC1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.