Using CCOC(=O)C1CCCCCCC(=CC(=O)OC(C)(C)C)C(=O)N1 to produce CCOC(=O)C1CCCCCCC(CC(=O)OC(C)(C)C)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.