Using CCCCOC(=O)c1cc(C)c(/C=C/C2CCN(C(=O)OC(C)(C)C)CC2)c(C)c1 to produce Cc1cc(C(=O)O)cc(C)c1/C=C/C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.