Using NN, COC(=O)c1ccc(C(=O)CCC(=O)c2ccc3c(c2)C(C)(C)CCC3(C)C)cc1 to produce COC(=O)c1ccc(-c2ccc(-c3ccc4c(c3)C(C)(C)CCC4(C)C)nn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.